windows 7 X64
msi x58 pro-e mobo
intel core i7 920 2.66ghz
3gb ddr3 kingston hyperx 1300mhz ram tri channel
gigabyte gtx460 1gb oc

all systems under watercooling (at least i can discount heat as a cause lol)

anyway i get the same issue with the animation from time to time. somewhat annoying