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I upgraded my SR 2.2 MBP with 4Gbs from Other World Computing. Their RAM is tested for Mac compatibility.
Highly recommend OWC for RAM, esp since some people are having problems with Crucial lately.
 
I thought the 2.2s didn't support 4g? I'm probably wrong.

You are correct that you are wrong. :)

I put 4GB of Patriot RAM from newegg in my 2.2Ghz Santa Rosa MBP. The kingston should be fine too. I read the reviews, and most of them have some other mac users who state that they've had success with them.
 
Thats good ram. I just got my ram from fry's when it was on sale for $80 bucks. More memory the better!! Thats what I say.

-JoE
 
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