The new home theatre room dimensions (layout shown below) are 11ft x 15ft x 12ft (width x length x height). Some major changes/additions have been made including a Yahama RXV-2600 DD-EX/dts-ES 7.1 receiver, both a Blu-Ray player and an HD-DVD player, and a Paradigm Monitor SUB 12 300W Subwoofer.