Another benefit of choosing a bike with linkage is you can get a lowering link if you need to drop the bike. I think the kick/E-start, six speed tranny and linked rear suspension would sell me on the XC. The weight difference is E-start, muffler, gearbox, kickstand, and fuel tank compared to the SX, all heavier on the XC. That go button would make it all worthwhile but that's just me.