Cool review sorta site of various hot sauces with brief review, scoville rating, etc.
http://www.scottrobertsweb.com/scoville-scale/
For baseline he uses jalapeno at about 5000. Site goes down to 1-100 scovilles, and up to pure capsicum at 16 million scovilles. Handy inclusion of actual pepper spray's 2-5 million.