Yeah I've heard the lag gets horrible.
Not to mention that the DRM isn't working. People's accounts are already getting hacked. Even people who use the authenticator.
I would not be surprised if Blizzard gets sued when a person's account is hacked now. Now that Blizzard is running a real money auction house, people's in game gear is worth real money.
"There is no way you can be Harvard Monday through Friday, and try to be Alabama on Saturday" -Art Guepe former University of Virginia head football coach