Really looking forward to this one. 2D tactics games are what the PSP was made for.
http://www.wild-arms.net/XF/
Three videos can be found here:
http://www.wild-arms.net/XF/special.html
Famitsu has done several previews with a ton of great screenshots:
http://www.famitsu.com/game/coming/2007 ... 0,0,0.html
http://www.famitsu.com/game/coming/2007 ... 5,0,0.html
http://www.famitsu.com/game/coming/2007 ... 8,0,0.html