I'd like one alot but not at the asking price.
That and it would be a massive pain to try and aim with given the lag between a movement of a dish and a few seconds delay before anything would come up on the Quality meter.
(disclaimer: I've never used a Dreambox.)
Honestly, Dreamboxes are Linux-based PC's in a Home-Theater-PC case
Considering I can build one from scratch and have it using MythTV for under $700 fully spec'd out, I think I'll make one instead.