Valkyrie Profile appears to be the next major franchise to jump ship to Nintendo. A few leaked scans from the upcoming issue of Japan's Jump comic magazine indicate that, following recent entries on the PlayStation 2 and PSP, the series is on the way to the DS through Valkyrie Profile: Toga wo Seou Mono.
Said to be the third entry in the series, Toga will feature a new hero, Wilfred, along with classic characters like Lenneth. The game appears to utilize an isometric perspective, with sprite-based characters controlled over three-fourths view play field. This would definitely be a change of pace for the series. Developer Tri-ace is once again handling development, with Square Enix, of course, publishing.
Once games are revealed in Jump, they're usually given a more open announcement within one or two weeks. Expect to hear lots more on the next entry in one of Square Enix's most critically acclaimed series shortly.