Not looking for a new PowerShot? How's about a new DSLR? Canon has just rolled out a new entry-level Rebel and a new flagship Rebel this evening, with the T3 and T3i offering mild updates over their predecessors. The EOS Rebel T3 will ship at the end of March with a EF-S 18-55mm f/3.5-5.6 II zoom lens for $599.99, offering up a 12.2 megapixel CMOS sensor, DIGIC 4 Imaging processor, nine-point autofocus system and a 63-zone dual-layer metering system. You'll need to provide your own SD, SDHC or SDXC card, but unlike entry-level b
