Hmmm, I thought the T.Rice is not that much stiffer than the Machete (I have the 155) overall Leo. It is much stiffer underfoot though.
On my own scale of 10, I rate the T.Rice as an 8 and the Machete as a 6.
2011 models of course. I was 175lbs when I demoed the 157 T.Rice and 158 Machete.