Based substantially upon the same-named case for the original iPad, Speck's new CandyShell Wrap for iPad 2 ($55) manages to evolve one of our favorite last-generation designs into an even better sequel. At the core of CandyShell Wrap is an evolved version of Speck's rubber-lined, hard plastic-bodied CandyShell case, now featuring wonderfully tailored port holes, a speaker hole with waveguide redirection, and narrowly cut holes for the iPad 2's rear…