My 08 Rev4t is brilliant. The 07 was the first year they made the 4t some of them were a a bit rough in places but still great.
It is light, easy to start, quiet, lots of power, HEAPS of easy to find traction and is a real blast to ride. Getting to the valves to adjust them is a little time consuming as the engine needs to b rocked forward.
I'd buy another tomorrow given a choice of bikes.... and an upgrade will be to an Evo4t.
Try one they are lovely.