Although I am not getting as many (30002) errors crashing my game as I was several days ago, I am still getting some. I only have a problem getting back into the game right away when I get a (30002) error. When this happens I have to wait for 10-15 minutes before the server will kick my character so I can log back in.

I discovered that if I force a directX error (press alt+tab in full screen mode) after a (30002) error kicks me, I am able to log back in immediately.

This may not work for everyone (not sure if you can force a directX error in windowed mode), but I have used it successfully 3 times today.