WTB Allterrainasaurus. Roll well, handle okay on gravel, pavement and dirt. Slick mud they have acceptable lateral adhesion but lack the bite to drive forward well, although less air would probably help with that. Good braking adhesion wet and dry on pavement.
Came stock on my Bianchi San Jose, my commute is 5 miles of gravel and 3 of pavement, plus i have ridden up to 60 mile days on them, some single track, and a couple of cross races- racing is where i noted the lack of traction in slick mud.
fairly inexpesive as well. good ride quality at <70 psi. (I weigh about 175#).