Hi all, I've now owned my lovely iMac for a month and freakin' love this machine! I love slickly designed and intuitive interfaces and can't ever going back now that I'm getting used to it. Anyway, I do actually have a question - I'm looking to take advantage of the extra RAM slots and upgrade to around 8GB - for now. I've fit sticks of RAM into PCs a few times but have never upgraded an iMac; do you have to use a particular brand/type? All I've found so far is this one http://www.play.com/PC/PCs/4-/17288...pe=allproducts&searchsource=0&urlrefer=search and only found that one by typing in 'iMac ram' into Play. Any tips? And is it easy to fit? Thanks.