Abt offers the Epson PowerLite Home Cinema 2030 1080p 3D 3LCD Projector in White, model no. HC2030-V11H561020, for $549 with free shipping. (Visual Apex via Amazon offers it for the same price.) That's $21 under our mention from two days ago (factoring in a $150 gift card) and the best price we've seen. (It's also a current low by $21, outside the offers below.) It features a 1920x1080 (1080p) native resolution, 3D playback, 15,000:1 contrast ratio, 2,000 lumens brightness, speakers, USB, and two HDMI inputs.
A few close prices: Best Buy, Adorama, and Crutchfield all offer it for $549.99 with free shipping.