Ok I bought this Dell 4600c like 4 months ago and I thought it was a nice computer (I was wrong).. Anyways I'm trying to get some new parts for it so I get better FPS in WoW.. I've been reading into Graphics Cards and I guess that AGP is the best you can get.. Can anyone explain why AGP is better then everything else? and how can I find out if this card would fit into my computer? http://www.tigerdirect.com/applications/searchtools/item-details.asp?EdpNo=686471&Tab=5.. TY.. Also I want to get more RAM for my computer (512) and I was wondering what registered/unbuffered means.. also what Cas Latency, Support Voltage, Bandwidth, & Organization do? If anyone takes the time to answer me I'd greatly appreciate it.. and TY to all who took the time to atleast read.