#1 I think there is a huge difference. 10 is a much better game as 09 was better the 08 and so on. Look at the impressions thread that is sticked on the main page on this site. It's just above your post. If you have not played this game since 04 or so then it will be completely different.
#2 I will not play without names and I know most of the college guys by #. Here is a link to the best roster out there made by the hard working guys on this site.
http://www.operationsports.com/forum...ster-done.html
I buy this game every year.