This ones my dear friend, for the joy of your eyes (ok, this instroduction sounds like p****graphy... but i guess this is "sim-p****")... decide for your impresions...
The sim is made by two barzilian brothers (enginers), as they said in a blog, everything stared just for fun, and now, one of them got a NASA scolarship and they mounted-up a web-site, i guess they want to sell they desings.
http://www.bsmotion.comtwo axis, but impresive 360º ...