modest update to the G5, the 7-megapixel PowerShot G6 faithfully follows in the footsteps of previous Canon G-series models. With a powerful, enthusiast-oriented feature set and very solid photo quality, it gets most of the same high marks as its predecessors. But its good-but-not-great performance lags behind the competition’s, keeping the G6 from garnering the Editors’ Choice-level ratings of its ancestors.