I'm not sure if it helps but here are the logs out of outlook. It looks to me like the server is hangging up on me:
2011.03.19 18:44:04 <<<< Logging Started (level is LTF_TRACE) >>>>
2011.03.19 18:44:04
[email protected]: Synch operation started (flags = 00000001)
2011.03.19 18:44:04...