Two new headsets have just been announced by Sony, designed especially for laptop users. So if you want to do a spot of on-line gaming, have one of those weird, stilted Skype calls, or if you just want to listen to music, Sony tells me that these are the headsets you'll be needing. The DR-EX230DP is an in-ear headset with in-line microphone. It's got three sizes of ear piece, which means I stand a slim chance of actually ...