You can probably find it out here:
http://www.9down.com
Search results would be as follows:
Adobe Photoshop Lightroom 2.3 Build 541702 Final by Anonymous 2009–03-06
Adobe PhotoShop CS4 11.0.1 by Troll 2009–02-26
Adobe Photoshop Lightroom 2.3 RC Build 534370 + Serial by Troll 2009–01-25
Adobe Photoshop Lightroom 2.2 Build 523352 by Anonymous 2008–12-18
Adobe Photoshop CS4 Extended v11.0 Full Incl KeyGen by Anonymous 2008–10-28
Adobe Photoshop Lightroom 2.1 Final by Anonymous 2008–10-23
Adobe Photoshop CS4 Extended Full by Anonymous 2008–10-19
Adobe Photoshop Lightroom 2.0 Build 481478 Final by Anonymous 2008–07-29
Adobe Photoshop Lightroom v1.4.1 by DoDie 2008–04-11
Adobe Photoshop Lightroom 2.0 Beta by Anonymous 2008–04-03
Adobe Photoshop Lightroom 1.4 by Anonymous 2008–03-15
Adobe Photoshop Lightroom 1.3.1 by Anonymous 2007–12-08
Adobe Photoshop CS3 10.0.1 Update by DoDie 2007–11-24
Adobe Photoshop Album Starter Edition 3.2 by Anonymous 2007–09-26
Adobe Photoshop CS3 Final Download by DoDie 2007–04-20
Adobe Photoshop CS3 Beta v10.0×2006.12.08 by Anonymous 2006–12-15
Adobe Photoshop CS2 9.0.2 Update by DoDie 2006–08-24
Adobe Photoshop CS2 v9.0.1 Update by Anonymous 2006–05-17
Adobe Photoshop Album Starter Edition 3.0 by Anonymous 2005–08-23
Adobe Photoshop CS2 9.0 Final by Anonymous 2005–04-27
Adobe Set to Announce Photoshop CS2 by Stanley 2005–03-29
Adobe Photoshop SpeedUp 1.00 by Goofy 2004–08-05
Hope this helps.