Macbook Pro 15" 2.5 Ghz upgrade kits question

Hi i've been reading about the possibilites of upgrading my Macbook Pro to 8GB. But i have been reading conflicting reports.
I bought my Macbook Pro in March 2009. It is widely agreed that a macbook pro bought before the June revisions can only be upgraded to 6GB unofficially.
YET on the apple website for upgrading memory on pre June revisions my 2.53ghz Macbook Pro is not listed http://store.apple.com/uk/memoryfamily/MEMBP_ALG1
BUT on the current post June revision memory upgrade page my 2.53ghz macbook pro IS listed and is available to upgrade to 8GB.
http://store.apple.com/uk/memoryfamily/ME_MBP
So my question is wether my March 09 bought Macbook Pro 2.53ghz is able to upgrade to 8GB?

This makes sense, because where on earth are you going to find two 3GB chips--they should be installed in identical pairs--and 4GB pairs was recommended to me by Crucial with the caveat that only 6GB would be addressable.
Ideally you would use identical pairs, but if your use of the MBP can benefit from 6GB of RAM instead of 4GB, the benefits of the extra RAM will far outweigh the tiny speed penalty from using unmatched modules. So there's nothing wrong with using a 2GB and a 4GB module together while you wait for the release of Snow Leopard and confirmation from other users that your machine can use 8GB when running SL. I don't believe that will prove to be true, but I know there's all kinds of speculation and purported reasoning out there to that effect. The only sensible way to approach it is to wait and see. Someone will certainly try it the moment they're able to, and the results will undoubtedly appear here and everywhere else. If you want more RAM in the meantime, buy a single 4GB module.

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