She's arrived at last, the 5800 XpressMusic, Nokia's tardy entry into the (modern) touchscreen phone space, and we've gotten some quality face time with the device. Appropriately nicknamed the Tube, the device has a number of Nokia peculiarities that could appeal to certain sensibilities, but probably won't be taking a big bite out of existing touchphone market share -- at least in the S60-phobic United States. Let's dig in, shall we