hi, please Im not an expert so... 1. I have a imac 7,1 and I want upgrade to mountain lion, it support mountain lion with 4gb or 6gb ram? http://www.apple.com/osx/specs/ it seems yes, iMac (Mid 2007 or newer), I think this is the mid 2007... 2.http://eshop.macsales.com/item/Other World Computing/5300DDR2S6GP/ any other place to get a better price for the 6GB of ram? or that price is ok? thank you!