Quite possibly our favorite family of iPhone cases to date, Speck's CandyShell ($35), CandyShell Grip ($35), and GemShell ($TBD) have been released for the iPhone 5c. At this point, the company has pretty much gotten the case down to a science, so there aren't really any surprises. Available in four colors right now with many more sure to follow, CandyShell is the classic co-molded rubber and plastic case. The glossy plastic is sure to attract scratches,…