I play on breaks at work too, tried to log in for a few and it locks up on me. "Solution 123 error" it says - usually temporary it claims, trouble installing the patch files they released a couple of days ago. I tried off and on over a couple of hours and kept getting that error, so I've sent in a support ticket. Hopefully it really is something temporary and/or easy to fix (perhaps delete game & reinstall) and not being blocked by some corporate firewall. Though from the FAQ it looks like a firewall error has a different code number.
Oh well, I found a nice fan blog to check out in the meantime.
ETA Reinstalling worked, it's let me in the beginning areas. I'll leave it running so it can finish downloading graphics & sounds. And yes, Gazer, I made a decent dent in my other project for the day.