I've had none of the problems you listed. But I just downloaded it and installed it 2 days ago...so my version might have already been de-bugged for these things.

I haven't found any problems with it at all. It's taking me some time to get used to everything and find out where they've moved some old features...but it seems all there to me.

The only tweaking I did was to go into Advanced Internet Options and turn off the "Always Use Clear Type For HTML" feature. I know some folks think it's easier to read with Clear Type...but I find it just a bit to soft and fuzzy for my poor old eyes.