yea i would think that blunts actual are good on weed mileage, they may keep smokeing when your not hitting, but keep in mind, all that resiny goo gets filtered through the other half of the blunt, so by the time u get to the clip its like hash!

but i think this is how it goes from most efficiant
Canna Butter (the right way)
Vaporizers
Gravity Bong
Blunts / joints
Waterless pipes
Bubblers, bongs and other water pipes
newbie smokers

HOLD YOUR HITS DAMNIT