http://www.dailymotion.com/video/x26geoe_slamjet-racing_videogames
More info and trailers here:
And their Facebook page:
https://www.facebook.com/pages/R8Games/728021997220331?sk=timeline
Looks alright for a WipEout clone, but I'm hopeful Sony have contracted in Firesprite or someone to make the real thing!