Think owning a 1080p projector is out of your budget? Think again. Today Optoma is debuting its most affordable 1080p projector, the $2,999 HD80. That's right, 1080p for just shy of $3k. The new DLP-based HD80 one-ups the HD70 (720p) delivering 1,300 lumens with a 10,000:1 contrast ratio. And that's only the beginning. Here's how it fares against other low-priced 1080p projectors.