Today we're having a look at a handful of the cheapest - or closest to free - paths into virtual reality that you're going to find on the market. We want you in on this awesome playground of oddities now. We want you to see spherical visions of alternate universe and our backyards. We want you to see a dinosaur walking towards you in a hallway. We want you to be able to play Pokemon with a phone strapped to your face. We want you to do all of this for as close to free as possible.