I didn't expect this to be bumped, but yeah...game of the year....
There's a neat trick to use in Prinny Land at that stage of the game, if you have a rogue who is at a high level, you can steal a particular powerful item from the Prinny God over and over and over. I don't remember what levels I had for the last level. Uh...90?
On another note, I'm at chapter 3 of the prequel, La Pucelle. Disgaea is definitely the better game, but Pucelle has its own little charms.