The MT Managed WordPress offering looks pretty interesting. Including email in the cost is a definite plus. Main concern for me is performance and support.

MT seems to have a pretty good rep for support so that is a good start. The GoDaddy connection raises some concern although hopefully MT can be run at arms length. My WordPress experiences at GD have been way less than positive.

Performance can also be impacted by popularity. Too much of a good thing can lead to lower server/network performance and increased support hold times. Having some form of SLA beyond the standard "99.9% uptime" would be a positive.

I called and spoke to an MT sales rep earlier today and it sounded like some of the details (caching technology being used, plugins allowed/not allowed, migration services/process) are still being ironed out. Or maybe it is just a matter of internal communication and training.

I've looked at and/or spoken to a number of the competitors and it looks like MT has a very competitive offering (3 WP site for base price, email included). However the devil may be in the details on things such the management interface or control panel. Time will tell. Definitely worth monitoring/considering. Looking forward to seeing more feedback.