hardest hitters in UFC HW division

i was thinking after roy liquified kongo's brain, what does the top 5 list look like for the hardest HW hitters? i'm thinking you've gotta put hunt, nelson, and pat barry up at the top of the list....

Source: http://ninjashoes.net/forum/showthread.php?80657-hardest-hitters-in-UFC-HW-division&goto=newpost

Renzo Gracie Rickson Gracie Rodrigo Gracie Roger Gracie Rolles Gracie