I finally got around to a little updating. I might be missing a card or two, but I'll add as I find anything. I need any Sammy Sosa GU not on this list - I am aiming for 100.

1999 Revolution Foul Pole Net Fusions
2000 SPx Update Winning Materials Sosa/Rodrigeuz/Griffey GU
2001 Fleer Legacy MLB Game Issue GU base
2001 Donruss Studio Warning Track
2001 SP Authentic UD Exclusives Game Jersey GU
2001 SP Game Bat Milestone Edition Bound for the Hall GU bat
2001 SPx Winning Materials GU bat/jersey
2001 SPx Winning Materials Sosa/Ernie Banks dual GU
2001 Sweet Spot GU bat
2001 UD Ovation A Piece of History GU bat
2001 UD Pros and Prospects L. Gonzalez/Sosa dual GU bat
2001 Upper Deck All-Star heroes GU /2000
2001 Upper Deck E-Volve UD Classics GU /300
2001 Upper Deck Gold Glove Offical Issue GU ball Wood/Sosa
2001 Upper Deck Legends Legendary Game Jerseys GU
2001 Upper Deck Legends Legendary Lumber GU bat
2002 E-X Hit and Run GU base
2002 Fleer Showcase Baseball's Best GU base
2002 UD Diamond Connection Bat Around Quad Sosa/Griffey/McGriff/Palmerio GU bat
2002 UD Honor Roll Star Swatches GU
2003 Bowman Heritage Diamond Cuts GU
2003 Donruss Jersey Kings GU /250
2003 E-X Diamond Essentials GU /245
2003 Fleer Box Score Jersey Rack Quad Giambi/Thome/Sosa/Guerrero /150
2003 Fleer Box Score Press Clippings A.Rodriguez/Sosa dual patch /100
2003 Fleer Genuine Tools of the Game bat/jersey/cap /100
2003 Fleer Showcase Baseball's Best GU
2003 Fleer Splendid Splinters Knothole Gang GU
2003 Playoff Piece of the Game GU bat silver /75
2003 Topps Tribute Contemporary Memorable Materials bat
2003 UD Honor Roll Dean's List GU
2004 Absolute Memorabilia Tools of the Trade GU bat/jersey /250
2004 Donruss Jersey Kings GU /250
2004 Donruss Timber and Threads GU bat
2004 Donruss Timber and Threads GU jersey
2004 Fleer Genuine Insider Tools of the Game GU /250
2004 Fleer Patchworks National Patchtime GU /350
2004 Fleer Platinum Platinum Portraits GU
2004 Leaf Certified Cuts Marble Material Red Position GU /50
2004 Leaf Certified Materials #170 Mirror Red GU bat /150
2004 Leaf Certifed Materials Fabric of the Game AL/NL GU /100
2004 Playoff Honors Champions GU /250
2004 Playoff Honors Players Collection GU /250
2004 Playoff Prestige Players Collection GU /50 (BP jersey)
2004 SPx Winning Materials dual GU
2004 Studio Game Day Souvenirs GU /300
2004 Sweet Spot Sweet Threads GU
2004 Topps Chrome Fashionably Great GU
2004 Topps Chrome The Game GU
2004 UD Play Ball Apparel Collection GU
2005 Absolute Memorabilia Tools of the Trade GU bat/jersey/shoe /150
2005 Classic Clippings Jersey Rack Sosa/Dunn/Cabrera GU
2005 Donruss Champions Impressions GU patch (2-color HR Derby) /250
2005 Fleer Authentix Jersey Authentix GU /75
2005 Fleer Authentix Jersey Authentix Majestic logo
2005 Flair Diamond Cuts patch w/Guerrero
2005 Fleer Tradition Diamond Tributes GU bat
2005 Fleer Tradition StandOuts GU
2005 Leaf Certified Materials #150 Mirror Red GU bat /250
2005 Origins Materials GU
2005 Prime Patches Portraits GU shoe/shoe/bat/jersey /100
2005 Skybox Jerseygraphics blue GU /250
2005 Sweet Spot Sweet Threads Gold GU /75
2005 Topps All-Star Stitches GU
2005 Topps On Deck Circle relic (2-color)
2005 Topps Touch Em All base relic /50
2005 Topps Pack Wars GU bat
2005 Topps Pristine Uncommon #165 GU bat /100 (uncirculated)
2005 Turkey Red White GU bat /75
2005 UD All-Star Classics Midsummer Swatches GU
2006 Ultra Ultra Fine Fabrics GU
2007 Allen and Ginter GU bat
2007 Turkey Red GU bat
2008 SP Legendary Cuts Destined For History GU