Hey all. I have a $150 credit at newegg.com and was wondering what ram I need. I'm told I can upgrade to 4gb and, I'd like to do so. It' a 24" iMac with 2.4ghz. It's new, Intel core duo2 or something. I was told the ram is 200 pin or something? Got a link to what I should buy? Thanks for your help.