Sleepers stepping up after individual pro days?

[cck1up2u]

Any guys making moves up your draft boards after particularly impressive pro days or late numbers from workouts? I listed five players in no particular order that i'm kind of looking for more information on as well as adding to my rankings. Feel free to comment or add anyone that you have seen as well.

Chad Friehauf QB Colorado School of Mines
6'6 1/8" 211 lbs 4.94 & 4.96 40 yd dash 34" vertical 9' 5" long jump 4.42 short shuttle 7.29 three cone drill

Troy Humphrey TE Central Michigan
6'1 5/8" 257 lbs 4.47 & 4.47 40 yd dash 38" vertical 10' 5" long jump 3.94 short shuttle 11.07 long shuttle 7.01 3 cone drill 21 strength reps

Chris Harris S University of Louisiana-Monroe
6'2 1/2" 212 lbs 4.55 & 4.58 40 yd dash 37" vertical 10' 4" long jump 4.08 short shuttle 6.86 3 cone drill 11 strength reps

Alonzo Nix WR UT-Chattanooga
5'11 1/2" 4.31 & 4.38 40 yd dash

Daven Holly CB Cincinnati
5'10" 187 4.32 & 4.36 40 yd dash

also i would appreciate any more in depth info anyone might have on the last 2 guys on my list.