From my experiences:
Bongs = 100% body high
Joints / Blunts = 100% body high
Vaporizers (Pax, Atmos Vicod, etc, from what I've tried) = 80% Head high, 20% Body high
Now, as for the vaporizers potential to give you a body high, I'd say you'd have to totally vape it on your device on high...