If you're in to it, you could always delete the cylinder shut down stuff and do a cam swap, change the timing cover, and put an earlier model cam in it to do away with it all together
I have a friend with an EcoBoost and his is dumping has in the crankcase. My uncle has a 2012 F150 with the 5.0 and that's an awesome motor! He averages 19 and it's got plenty of power and HUGE brakes. Tows and stops his 23ft HydraSport as good or better than his old '03 F250 did with the 6.0. He also never had any problems out of his old truck until 315,000 miles when the FICM went out and it burnt a piston. I, personally, wouldn't own a 6.0 though.
My 99 Silverado is the newest truck I've ever owned and logged miles on. (only put 70k on it since 2006) With all that said, I couldn't own a new truck. If I can't work on 90% of it, I don't want to drive it. My K30 and my 85 S10 are old, but extremely reliable and get damn good mileage. Haven't had many problems out of the Silverado, at least not anything that wasn't my fault.
I also can't leave anything stock. If I don't like something about a truck, I'll build what I want. There's a Cummins in my K30, the Silverado got tons put under it and a 6.0, and the old 4.8 is going in the S10. I gather that most of this is useless, but that's my views on buying a new truck!