So I came across this yesterday. It's primary use is for gaming on phones but it uses motion controls. You guys are in the know more than I am, you reckon it could be workable?
http://ipega.hk/gamehandle/53-100.html
http://ipega.hk/gamehandle/53-100.html
specs: Phenom II X6 2.8ghz / 4gb 1600mhz RAM / SATAIII 7200rpm HDD / Radeon 5850 / Soundblaster X-FI / Win7 x64