Here is the list I found here :
http://www.draftinsiders.com/node/35NFL Draft '08 Traded Picks
Updated 9/1/07
1st Round
Dallas from Cleveland (2007 draft day trade/QB Brady Quinn)
New England from San Francisco (2007 draft trade)
San Francisco from Indianapolis (2007 draft trade)
2nd Round
Atlanta from Houston - QB Matt Schaub
3rd Round
Buffalo from Baltimore - RB Willls McGahee final payment with two '07 draft picks
Chicago from San Diego (2007 draft trade)
New England from Oakland (2007 draft trade)
Minnesota from Denver (2007 draft trade/ DT Marcus Thomas)
4th Round
Denver from Washington - WR Ashley Lelie (final part of deal - Atlanta)
San Diego forfeits selection in Supplemental Draft '07 - CB Paul Oliver
5th Round
Philadelphia from Cleveland - OC Hank Fraley
Kansas City from Miami - QB Trent Green (can escalate to a #4 pick on performance)
Baltimore forfeits selection in Supplemental Draft '07 - OT Jared Gaither
Buffalo from Chicago - DT Darwin Walker
Chicago from Carolina - SS Chris Harris
N.Y. Jets from Washington - OG Pete Kendall (could escalate to #4 pick in NFL Draft '09)
6th Round
St. Louis from Denver - DT Jimmy Kennedy
7th Round
Minnesota from St. Louis - OT Adam Goldberg -
Buffalo from Philadelphia - Takeo Spikes/ Kelly Holcomb for Darnell Walker trade
Conditional Trades
Oakland from the Jets - DE Bobby Hamilton
Baltimore from Indianapolis - LB Ryan LaCasse (6th rd '06 NFL Draft)
Jets from Minnesota - QB Brooks Bollinger
Philadelphia from Seattle - FB Josh Parry
Denver from Tampa - QB Jake Plummer (retired)
Kansas City from Tampa Bay - DT Ryan Sims
Kansas City from NY Giants - PK Lawrence Tynes
Chicago from New England - DB Dante Wesley
Denver from Oakland- DT Gerard Warren (can escalate to a 5th Round on playing time)
N.Y. Jets from Tampa - LB Jerry Mackey
NFL Draft '09
6th Round
Philadelphia from Minnesota - QB Kelly Holcomb