Adorama offers the Canon EOS Rebel T3i 18-Megapixel Digital SLR Camera bundled with the Canon EF-S 18-55mm f/3.5-5.6 IS Lens, model no. 5169B003, for $689. With free shipping, That's the lowest total price we could find for this camera with guaranteed delivery by Christmas by $18; however, we saw it for for $39 less two days ago (since expired). Features include a 3" vari-angle LCD, 1080p video recording, 3.7 fps continuous shooting, mini HDMI output, SD/SDHC/MMC card slot, USB connectivity, and more.

Orders placed by December 20 are guaranteed for delivery by Christmas.