Sold the majority of my GU recently to a guy at work. Still have these available:
'06 Topps Heritage Gridiron Collection Santonio Holmes
'01 SP Game Used Edition Chad Johnson RC 256/500
'02 Topps Pristine Emmitt Smith Jersey #ESJ1
'05 Exquisite Super Jersey Gold Troy Aikman 11/30
'05 Gridiron Gear Mark Clayton Jersey Number 12/100 (2-color)
'05 Topps Rookie Throwback Relics Braylon Edwards
'06 Bowman Sterling Brandon Marshall RC Jsy
'06 Leaf Certified Materials Brandon Marshall RC Jsy 833/1400
'06 Leaf R & S Dress for Success Brandon Marshall328/350 (Facemask)
'06 Absolute War Room Jumbo Jersey Prime Brandon Marshall 7/10
'05 Topps Super Tix Deion Branch
'05 Topps Super Tix Mike Vrabel
'05 Sweet Spot Sweet Swatches Terrence Murphy
'07 SPx Winning Materials Michael Bush
'07 Donruss Classics Saturday Stars Jsy Prime Roger Staubach 18/25
'03 Fleer Snapshot Projections Silver Tom Brady 94/250
'07 Topps DPP Upperclassmen Tom Brady
'02 Press Pass Roy Williams Jersey 109/225 (Cowboys)
'01 Titanium Steve Smith RC Patch 9/75 (2-color)
'01 Finest Stadium Throwbacks LaDainian Tomlinson
'07 Donruss Threads Pro Gridiron Kings Materials Marion Barber 163/250
**Oops-forgot these!*'04 Flair Gridiron Cuts Dual Gold
Randy Moss/Byron Leftwich 5/10
'06 Topps Triple Threads Relics Sapphire
Chad Jackson 3/3