More or less seconding/thirding what Clifford and Clifton have said. A quality mid/high profile, 36 spoke rim, laced 3 or 4X with straight 14 ga DT or Wheelsmith spokes, properly stress relieved and tensioned should be able to handle your needs.
__________________
Birth Certificate, Passport, Marriage License Driver's License and Residency Permit all say I'm a Fred. I guess there's no denying it.