It's pretty early hardware and earlier software, but the guys at CrackBerry somehow got themselves a Storm 2 to play with. First question: Yes, it still has a clickable screen, but it's allegedly much better than its predecessor.
There aren't any big changes on the software side (it's still running BlackBerry OS 5.1), although remember, this is a very early pre-release model. The OS looks pretty much exactly the same as the original Storm, at least at this point. That means it's still laggy (especially the accelerometer), a dealbreaker of a problem on the first Storm that hopefully will get ironed out before the Storm 2's release. Verizon has promised WiFi in its future smartphones, so with any luck that'll include the Storm 2.