Perhaps the nicest-looking iPhone case we've yet had a chance to handle, Pacific Rim Technologies' iShield for iPhone ($35) is an affordable synthetic leather case available in black, white, or red versions. Each one has a slightly puffed and hard-reinforced body, like real leather iPod cases we've previously seen from Vaja Cases, as well as a detachable black plastic belt clip that ratchets into your choice of eight positions. The only major thing…