I give Wario Ware kudos for reinventing Wario. Sure he still has incredible greed and a rude 'tude (which no Wario should go without), but he also sports a sexy jean jacket and the coolest chopper I've ever seen. Plus, Wario's character fits better with the frantic Wario Ware series.
For me, Wario Ware beats Wario Land and destroys Wario World any day of the week.