The are any difference between the late 2008 and early 2009 15' MacBook Pro

Hello,
This is my first post here so I salute you all. I would like to know if there is any difference between the 15 inch MacBook Pro produced at the end of 2008 and the one produced AFTER iLife 09 has been launched (at the beginning of 2009). I see that the declarations of conformity are a little bit different: http://images.apple.com/euro/compliance/pdf/M98EMC_IntE_EuroDoC.pdf vs http://images.apple.com/euro/compliance/pdf/M98AIntE_EuroDoC.pdf (see the Emissions and wireless radio equipment sections). I don't know if those declarations are relevant and if the fact that they complies with different standards and/or directives means that the hardware is different... What do you think?
Just a little note: I am NOT talking about the late 2009 17' version. I'm referring only at the 15' versions produced before and after the launch of iLife09
Message was edited by: vamist

Hi, I think I know why Apple is able to offer 8gb ram support on the revised 2.66 MBP and not on the 2.53 or 2.4 MBP.
Take a look at this:
15'' 2.4-2,53 NVDA Chipset
http://s1.guide-images.ifixit.com/igi/oEmmaxSOKDDvZfZh.large
17'' NVDA Chipset
http://s1.guide-images.ifixit.com/igi/SSLSgODWYbiIuTLL.large
There are TWO different revisions. The first is B2 and the latter is B3.
I think that the former does not support 8GB of RAM and the latter does. That explains why the 17'' has support and now the NEWs 15'' also have, Apple gave the 15'' not only a speed bump but also the newer revision of the chipset!

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