In addition to the TRON memorabilia, Sam's room is filled with items connected to the Walt Disney Company. The Black Hole novel on the top shelf refers to the science fiction film released by Walt Disney Studios in 1979.
A statuette to the left of the yellow light cycle appears to be the Silver Surfer, a Disney-owned Marvel Comics character. Even though Fantastic Four: The Rise of the Silver Surfer was deemed a failure, its been rumored that Walt Disney Pictures & Marvel Studios are discussing a new Silver Surfer production.
Image © Walt Disney Studios