ve not done so, I highly recommend signing up for the Motivator Magazine. The past Summer/Fall 2011
edition has excellent write ups on all the currently available DMDs, as well as those coming down the pike.
This is the link to the publications where you can sign up for printed mags. And, you can also request back editions as well - just check off the boxes!
http://www.msaa.com/publications/motivator/
For those who like online versions - this is the recent PDF copy of the magazine:
http://www.