My broken FSA K Force Isis crankset is on its way back to the company. I only broke two days ago. They gave the shop an RA# and the shop sent it off this morning. I may even have the new crankset this week. This is the replacement:
It is an FSA K Force Carbon MegaExo Crankset, with a new bottom bracket as well.
I like my old ISIS set up, it was a tad lighter. Crankset was 520 grams and the bottom bracket was about 210. That makes a total of 730 grams. This crankset is about 780-790. But if it doesn't break that would be a good thing.
FSA is very quick. Sadly this is the second warranty I have had with them, the other was a FSA RD400 rear wheel that had to go back. The same thing then too, handled quickly and properly. SO even if they don't ways get it right the first time, they seem intent on doing their best the second.