Fares changes apply for tickets bought to commence travel on or after 17 May 2009.
See Newsrail Express 390.
Cheers for the info guys, that at least gives me a little bit of time to get things in order.

Just to avoid ambiguities: If I start an ALR on the 15th May (For example) would I still be able to get it at the current price, or would I have to pay the higher price because it extends into the new pricing period?
Err this is the notice, the fares changes come in on 17th May so you have close to a month to let it sink in.
Well, the first that I heard about this news was when I came here at 01:45 Thursday morning, and although it's nice to have until the 17th (Or the 10th if the new fares also apply to ALRs that run into them from beforehand) to buy our ALRs at the "cheap" rate, I still feel that the notice period of 27 days (Going from when NRX 390 was published) is still a little short for tickets like the ALR, which most people presumably plan
well in advance of purchase.
Moreso, I've just had a very brief skim of a couple of public AToC websites (AToC themselves, the NR site, SWT and VT) and I can't find
any info or warning about the forthcoming ALR hike. We're fortunate here in that we got to hear the news almost as soon as NRX was published...But that's an industry publication, and it seems that the general public - Including the majority of enthusiasts who don't have direct access to AToC publications and portals - Are
deliberateley being kept in the dark about it!
Given the nature of the ALR and the fact that it's a sort of "holiday" ticket; If I were the person at AToC who announced new fare increases, then Id've published this at least three months in advance of the forthcoming increase...And Id've posted it across railway enthusiast and rail user forums to ensure that the majority of rail users were made aware of the increase and have enough time to "get 'em whilst they're still hot".
The file with which you have extracted those ZIP files is the NFM 02. I am assuming you downloaded it from one of the sites hosting it rather than purchasing it directly via the TSO bookshop. If you had purchased it directly you would have realised it clearly states the fares are for the period from the 02nd January till the 17th May.
As it is, my copy of the NFM
is a downloaded version - Not that there's anything wrong with that, mind (The data is free I believe...TSO charge only for the CD, packaging and postage) - But that still lists fares as being valid until the 16th May. Those ZIP files contain offline web pages from the NR website (There's no Avantix stuff in 'em) and I posted 'em here for others reference.
Incidentally - Despite it being three days since NRX was published - I notice that the ALR pages on the NR website aren't showing any info about the forthcoming ALR increase...Could it be an attempt to hide it from the public, or are NR just slow in updating their site?
To be brief: My main issue here is the suddenness at which this increase has been sprung upon us, and the relatively short space of time we now have for planning our ALRs. Thankfully I'm a little calmer now, as last night I was given the impression that AToC were trying to up the ALR prices at some point in the next couple of
days! 
hock::eek:
I also don't think you know consumer law very well either. The price listed in any fares manual for any ticket is an invitation price and is the first of three stages.
The advertised price is the first stage, it's an invitation to buy the product only and is not leagally binding.
An offer is made by you to buy the ticket when you enquire at the ticket office or request on a WebTIS.
The contract is sealed when the offer is accepted by the seller. Who is under no obligation to sell you anything, for whatever price.
Hmmm...I might need to update my understanding of consumer laws then (Cheers for the link!

) as I seem to recall that
If a sale price is displayed upon a product or service - Even if the price displayed is erroneous - The customer has the right to purchase the product/service at the price displayed, despite the fact that the price displayed is not the correct one.
I seem to recall that a while ago, a lot of consumers managed to exercise this caveat when Argos mistakenly listed widescreen televisions on their website at £2.99 each (It was presumably supposed to be £299.99) - Although I suppose that particular incidence might've led to a change in consumer law. :?
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Anyhow...So clearly that means I need to get a move on with planning my ALR then! Fortunateley I'm a fairly durable and quick traveller and I could wing the whole lot off of the bat if I had to.

I'll get cracking with the eNRT as soon as I've done posting here for the night and had a coffee...But to assist me with planning and execution of my run, would anyone here happen to know:
- Whether or not an ALR can be purchased in advance of it's start date, like an Apex or Shaver ticket?
- The minimum advance booking period for seated spaces on Sleepers (I'll probabally be using 'em a lot, and I'll be booking my seats when purchasing the ALR.) and any booking fee that would be payable for ALR holders? Are standees allowed on board sleeper services?
- The dates/times for forthcoming full moons and moonlit nights over the Isle of Skye.
- Whether there is a half-decent minicab firm (Or failing that, Hackney carriages) available in the Kyle of Localsh, and if so their name and telephone number for bookings.
- Although I've found the eNRTs available for download from the Network Rail website (See Here for the eNRT 2009CE)...Not wanting to take a laptop etc. with me due to the intensity of my journey, I'd find the paper version much more convenient. I seem to recall that there used to be some kind of discount on the paper NRT available for holders of ALRs - Is this still available, and if so how/where (Not online, preferably) may one have the discount from?
- If I purchase an ALR starting on a Monday and decide to kick-start my journey using a sleeper service from London, would I be able to purchase a cheap single for the first part of the journey (To the first station passed after Midnight) and use it in conjunction with my ALR to get an early start without paying about £90,- for the entire journey between Farnborough and Stirling?
- And finally: Is there any limit on maximum distance covered or number of services used with each ALR? Although I'm completely uncertain about the possibility of pulling such mahoosive coverage in such a space of time, I'm going to try and have a go at exceeding 10,000 miles in the space of a week if I can!
hock:
8)
Farewell, and thanks in advance for any advice!
>> Death <<