Some game play videos I found. Post more if you find them here:
YouTube - EVAC HD Android Game Review on Galaxy Tab
YouTube - SpeedX 3D Android App / Game Review on Samsung Galaxy Tab
YouTube - Rugby Nations 09 Android Game Review on Galaxy Tab
YouTube - Let's Golf - HD Game for Galaxy Tab
YouTube - Samsung Galaxy Tab Gaming
YouTube - Kumpa on Galaxy Tab
YouTube - Angry Birds on Galaxy Tab - Non-Beta!
YouTube - Need for Speed Shift on the Samsung Galaxy Tab
YouTube - TIME TREASURE - A Location Based Augmented Reality Game
YouTube - [Techmoblog] Samsung Galaxy Tab : Game
YouTube - EVAC HD Android Game Review on Galaxy Tab
YouTube - SpeedX 3D Android App / Game Review on Samsung Galaxy Tab
YouTube - Rugby Nations 09 Android Game Review on Galaxy Tab
YouTube - Let's Golf - HD Game for Galaxy Tab
YouTube - Samsung Galaxy Tab Gaming
YouTube - Kumpa on Galaxy Tab
YouTube - Angry Birds on Galaxy Tab - Non-Beta!
YouTube - Need for Speed Shift on the Samsung Galaxy Tab
YouTube - TIME TREASURE - A Location Based Augmented Reality Game
YouTube - [Techmoblog] Samsung Galaxy Tab : Game