I just picked up a few yards of their chameleon carbon fiber the other day..... Actually, I'm quite impressed with it for the price. It is super thick and had to cut it with a 60 degree blade and about 200g of down-force (I cut some pretty detailed things) but application was easy and virtually flawless.
It isn't the best vinyl out there - but for your money it's an above-average mid-grade vinyl. I have no complaints other than media thickness.