Jeff Minter’s legacy is shaping up to be that guy who took Tempest and pushed it to its rave-y, trance-inducing, crystalline extreme. That, or sheep. We see this with TxK, coming later in February, which, well, looks like bliss. (He apologized for the trailer’s compressed video quality, which will look much crisper on a pristine Vita screen.) There’s an epic long-read of the evolution of TxK on his blog, which began when he did an official sequel way back with Tempest 2000 for the Jaguar, then, evolving into the Xbox Arcade exclusive Space Giraffe, then this. This is good for…