It is just a matter of time when such systems will start appearing. I bought a laptop some time ago, and to my big surprise it had VT-x (Hardware Virtualization) flag disabled, enabling it by the vendor was just a matter of setting one bit in some processor registry, but still they decided to release BIOS without such option. You could buy similar laptop with VT-x enabled but it cost more. I expect that in 3 years time we will have to pay extra just to have Secure Boot option configurable. After all that feature will be purely for "experts" (that is Linux users) and they can afford paying more...