My Nomad pedals up sufficiently well and handles down competently, but I'd never subject it to a ten foot drop. And I've ridden it at 16kg more than the OP (now the same as OP). For that kind of riding I think you need a different bike, one that will not pedal up so well. I can tell you from experience there is little substitute for miles in your legs when it comes to losing a few kegs and getting more enjoyment from your riding, so you will want something that rides up from time to time. You chose a good bike, just ride it as it was intended.
Thats the thing. I don't consider my riding overly hard. I suffer up the hills so I can make the most of the down. 3ft drops would be about it for me, any everything else has a down ramp to soften the landing.
Other than the jumps I would consider most of my riding to just be general trail riding, with the downhill sections hit as fast as I can.
For reference in ~15 years of riding, including DH early on, I have never trashed a wheel (small tweaks, but who hasn't), have bent a seats rails, and broke a bottom bracket when they used to be square taper.
I may just be having a bad run, but to be honest I am over it and just want something I can ride. The carbon Nomad looks the business and I was very close to pulling the trigger until my carbon bars snapped, albeit on a jump that I completely stuffed up...