Palm Pre is just around the corner and will be available very sooner in the stores for US Sprint Subscriber. GSM is the predominant wireless technology throughout the world and it is also used by AT&T and T-Mobile in the US. If the European GSM model is “quad-band”, then an “unlocked” version would be functional with any US sim card. Sprint is CDMA based carrier and GSM users may have to wait till September for Pre GSM edition as many companies started bookings for a Unlocked Palm Pre GSm edition phone. It’s …