From Doh!n:

During a conference call, Collison said as late as last week he thought he was heading to the NBA, but after closer examination and consultation with his parents, decided to remain in school.

The idea was floated out there late this past season to utilize him at the off guard position. I believe this incoming class will allow him to do just that. It will be a Farmar-Collison situation, but the other way around this time.

DC returning for his senior season. I certainly did not see this coming, but we welcome him back with open arms.

UPDATE: Duh-von Jefferson declares and will sign with an agent. Somewhat surprising given his strong academic standing. /sarcasm