As two of a boatload of new and generally modestly updated Speck cases, CandyShell Grip ($35) is a standout redesign -- like earlier CandyShells, a combination of hard glossy plastic and soft matte rubber, this time with rear grips for gaming -- while GeoMetric ($30) is just a smaller version of the angled, semi-matte/semi-glossy case previously released for the iPhone 4. The new CandyShell Grip is interesting primarily in that it doesn't attempt…
