If you're looking for authentic draft classes, I will be uploading all draft classes from 2005-2011 sometimes next week. As far as the 2012 draft goes, I will create a 2012 draft sometime this summer, once the draft is actually over and most of the players are sign by teams.
Here's the link to the thread where I will be posting the draft classes in...
For some reason I can't link to my thread but the thread is in the NFL2k5 section and the thread is called The official nfl2k5 draft classes thread.