The third-generation iPod touch (32GB/$299, 64GB/$399) is cosmetically identical to the second-generation model, and has received only one major hardware change: the addition of a 50% faster processor set, the latter now the largest-capacity iPod touch ever sold. By comparison, the 8GB model selling for $199 appears to be unchanged from the second-generation predecessor, lacking the new processor hardware. According to an Apple representative…