Since there has already been some talk about players who might leave early I thought I would post this here. Givony is IMO the best in the business by far at watching film and evaluating talent when it comes to the draft. He updates this list periodically throughout the year.
http://www.espn.com/nba/draft/bestavailable β
Grimes #30 ( in a free fall) I believe he was as high as #6 on this list
Dedric # 41
Dotson # 44
Doke #76
Vick # 91