As the sequels to last year's impressive waterproof Surge headphones, Surge 2G ($50) and Surge Connect ($70) evolve the prior design in different ways. Surge Connect is the version shown here with a waterproof microphone and control button -- the first such option we've seen to enable iPhone users to talk without fear in the rain, assuming they're using a waterproof case or armband, while also letting iPod and iPad users do voice recordings and VoIP.…
