Now, though, Oculus has released the Oculus Go. It's £200 (or $200, if you live in a first-world country and not Rip-Off Britain) and is entirely self-contained – screen, speakers, processing ...
UPDATE December 5 2016: We've added a section on Oculus Touch motion controllers. We strongly recommend them if you're thinking of getting an Oculus Rift or, indeed, if you've bought one already.