Let's not assume every fast guy in the draft is a Devin Hester-type return thread.
The top kickoff returners, based on average return, not including underclassmen not in the draft:
Kevin Marion WR Wake Forest (#3 in Div. 1)
Felix Jones RB Arkansas (4)
Kevin Robinson WR Utah St (6)
Devin Thomas WR Michigan St (11)
Matt Slater DB UCLA (12)
Tyvon Branch DB UConn (13)
Chris Johnson RB East Carolina (18)
Jalen Panele RB Toledo (19)
Dorian Bryant WR Purdue (20)
Jonathan Stewart RB Oregon (24) -- Holy Smokes!
Top Punt Returners:
Robinson - See above (1)
Leodis McKelvin CB Troy (4)
Jeremy Trimble WR Army (8)
Derrick Richards WR Utah (9)
Eddie Royal WR Virginia Tech (10)
Clifton Smith RB Fresno St (12)
Dwight Lowery CB San Jose St (13)
Quentin Demps S UTEP (15)