I downloaded the Exchange connector for Evolution today. It wasn't up Friday, but it is this morning. It took some fiddling, but I was able to get connected.

Screen Capture

I wasn't able to send mail, but I'm guessing that's just a config problem I haven't solved quite yet. But it did pull down my entire calendar, and was able to access the global address list. Even if it was a lot slow on that count. So far, this looks pretty neeto.