Really really well made mouse, the sensor feels flawless so far too. It's pretty amazing how accurate this optical sensor is for the price that we all got it for.
LOD is taking a bit to get used to. Is it really 2m LOD? Not sure why it feels so different. Also, can you edit the LOD of a mouse or is it always preset?
The driver's seem to lock up for like 20 seconds whenever I apply a change(windows 7 x64), still works though. Not big issues since its still new.
Love the LED colors too. Just a really solid mouse so far, I'm impressed.