In no particular order:
Cowboy Bebop
Wolf's Rain
Kenshin OVAs Trust and Betrayal
Princees Mononoke
Last Exile
I liked Trigun too, but it's probably not that great objectivly)
I no longer watch dubs anymore, though (
might watch Ergo Proxy dubbed on my second go round). After my brief flirtation with fansubs, there was no going back. Plus, my wife doesn't laugh at me or do silly immitations when she heard the japanese vocal track in the background. Yeah, she's the best