Oh yeah! Milestones 5th game just got announced for psvita(makers of WRC 3/4,MUD and MotoGP 13)
MXGP - The Official Motocross Videogame
http://www.youtube.com/watch?v=ipAbuH8qZPs
Seems like they are happy with the psvita as they continue to support it :)
http://gamrconnect.vgchartz.com/thread.php?id=130023&page=1# Official Playstation Vita Thread! Come in and join!!!