I've never really enjoyed eating at any of the counter service burrito places. Chipotle, Qdoba, and the favorite of this board, Hot Head Burritos :).
They all make me feel hurried and hassled when I have to pick ingredients at top speed while there's a line of people behind me. I don't even get this feeling at Subway which has a similar service format.
The Qdoba I've been to locally always seems much less "personable" than any other fast food restaurant. So, no big surprise.