Nokia on Wednesday began selling a North American version 5800 XpressMusic in the US, marking the first time a Nokia touchscreen phone is available in a North America-native version. The new version adds support for 3G data over 850MHz HSPA and lets subscribers to AT&T connect at up to the full 3.6Mbps downstream speed of its network. As an unlocked model, it can also be used with Rogers' 3G ser
