I second Bruce's recommendation of the DQ in Carlsbad if you can manage the detour. Best commercial BBQ you will find anywhere. Danny is a great guy and has forgotten more than I will ever learn about BBQ.
In Albuquerque, I can't think of a single "can't-pass-by" place, but if you need to refuel your system while passing through, here is a site I use for ideas:
http://www.nmt.edu/~shipman/food/abq.htmlI have enjoyed Los Cuates for New Mexican and El Norte for Mexican - very good - not great.
Now if you're going to be near Santa Fe, I can give you a number of "can't-pass-by" suggestions!