Similar to some of the Targus cases we used to see for iPods, Case-Mate's Leather Flip Case ($35) wraps a piece of hard-reinforced leather around most of the iPhone's face, back, bottom, and sides, splitting in half to reveal the phone's face when you want to use its controls. Full-time access to the top is available, while the speaker and microphone on the bottom have small slits in the leather to permit somewhat obstructed use while the case is…