Canon's PowerShot G-series has long been a favourite of enthusiasts, who want a powerful compact with manual control. The latest G11 actually reduces its resolution for the first time in an attempt to deliver lower noise levels than its predecessor. Does it work? Find out in our PowerShot G11 High ISO Noise results where we've pitched it against two other compacts aimed at enthusiasts, the Olympus E-P1 and Panasonic GF1. So ahead of our upcoming G11 and GF1 reviews, see how they measure-up in terms of noise!