Abes of Maine has the new Canon EOS Rebel XSi 12.2-MegaPixel Digital SLR Camera with 18 mm - 55 mm - f/3.5-5.6 Canon EF-S Lens & 75-300mm f/ 4-5.6 III EF Lens for $732 - $10 code LOYALTY10 + $5 shipping = $727 shipped. This is Canon's latest prosumer digital camera, rendering your XTi all but obsolete.

12.2 Megapixel CMOS, EOS Integrated Cleaning System, 3.5 frames per second
MultiMediaCard, SD Memory Card, SDHC Memory Card, Pop-up flash
Li-ion rechargeable battery, 3" LCD display, LCD live view mode