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I've never used Transcend in a Mac, but I do know they make good quality stuff - the timings on the ram I got from them was actually faster than those that Kingston & Corsair could provide. I believe they hold up well in the Macs, but I'm sure someone else can answer that.
 
I would spring for extra couple of bucks to get the Samsung RAM from OWC. Samsung makes terrific RAM (Apple has used it themselves for years) and OWC is a terrific company that will take care of you if you have any problems. Newegg doesn't guarantee Mac compatibility and can charge you 15% if it doesn't work in your machine, and they're out of stock anyway.

When you're spending that much, the extra $15 to deal with great RAM from a great company is definitely worth it.
 
The ram prices seemed to have dropped $100 in the past 2 weeks.

The samsung 2 Gig stick is now $529 ($110 less).

http://eshop.macsales.com/shop/memory/MacBook/Pro/Core2/

I'm not sure why, or if prices will drop this much this quickly again, but it seems like the cheaper 15" MBP from MacConnection for $1844 + the ram for $529 makes for a good deal @ $2373 for a 2.16 MBP with 3 gigs of ram.
 
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