Liked the lop-eared design and low-light sensitivity of Canon's latest point and shoot, but wanted to be sure you'd get $350 worth of camera for the asking price? You're in luck: the PowerShot SD4000 IS, aka IXUS 300 HS, has just received its first painstakingly detailed review. Photography Blog found the back-illuminated 10 megapixel CMOS sensor snapped excellent low-noise shots in a variety of tests, though the camera's highly-touted HS System features -- a 240fps movie mode and 8.4fps burst speed -- took pictures too low-res to impress. The publication also to