Tony Thompson weighed in at 119.7kg which is heaviest weight ever. Kubrat Pulev weighed in at 114.7kg. Thompson seems to be in good shape. I can assume that he will hit very hard at this weight.
http://www.youtube.com/watch?v=XsNOyHmpADo&hd=1
http://www.youtube.com/watch?v=XsNOyHmpADo&hd=1