I have a carbon corbeau revolution in the excel (fatty) size,its pretty comfortable,holds you in well and is light at about 6.5kg or so.No compalaints about it at all to be honest but im about to change to an evolution pro as I want to reposition the seat and the corbeau is too wide at the top to go where I would like it.

PS.I imagine in regular use it would be a right pain in the arse!

Cheers Ross.