http://www.synapseadaptive.com/

many have got the software off ebay.

But if disabled you might be able to qualify for it in some way - but I'm not sure how to go about that -maybe the link has info on that too.

I do know a good Mic and a good sound card are important for best results with VR software programs.

I added a post and links about adaptive tech and comp/disability on the work comp forum - here's the link to it also -
http://neurotalk.psychcentral.com/sh...ad.php?t=14111