well im going to study engineering(Electrical/computer science/Mechanical)..so i have no clue about the computer software i will be using as it will be my first year in college =],,will i mostly need power? a 256 vcard?? i hope you guys try to help,thanks! i really cant decide what to get..i have cash for the 2.2 GHZ model only..but if the extra power would matter for my study..i would borrow some money from my big brother(he wouldnt mind XD).. Note:in the mean time i use my laptop for Multimedia and webpages/chatting only,,will be my first mac!