Optoma HD33 Projector, DIY TiVo Hard Drive Upgrade, and 7.2 Audio Explained!

Just what the heck is the .2 in 7.2 audio, and is it any better than 7.1 or 5.1? We love WeaKnees TiVo upgrades, but Robert's got a DIY guide if you want to save some cash. Optoma's latest projector brings BIG 1080p 3D to your home theater at a bargain price!

Just what the heck is the .2 in 7.2 audio, and is it any better than 7.1 or 5.1? We love WeaKnees TiVo upgrades, but Robert's got a DIY guide if you want to save some cash. Optoma's latest projector brings BIG 1080p 3D to your home theater at a bargain price!