I don't know why you would pay for the rosters, do a google search and you can find plenty of rosters to download for free. Get a maxdrive, AR, something like that and it makes the game so much nicer.
I just bought my 6800 from Monarch Computer, free shipping and free Lego Star Wars made it a nice little deal for just under $200. Highly recommended.
PCI-E is PCI-Express, and you would know it by reading your computers manual. If you just bought or built your computer in the past 6 months-1...
I just picked up the eVGA 6800 and did the softmod unlocking the card, and it is a great performance increase that works great, doesn't add noticably to heating, etc. I would definately recommend.
This is where I found info on how to do it...
I have to say that I also am a big fan of hating EA. The reason being that they just buy the competition out and that leaves the consumer getting screwed.
I used to follow the trend of buying every new NCAA for 2 or 3 years, but I finally realized it's the EXACT same game every year with 2-3...