Might sound a bit cliche but for me it's Cowboy Bebop.
Beautiful animation, awesome characters, a soundtrack you could listen to on it's own, I just love it all. It was one of the first anime's I watched, being recommended to me by a friend, and I really fell in love with it.
Having played the open beta I'm wondering what all of your thoughts were on how it went? The network issues were a huge turnoff for me at the start and the long wait times in-between matches didn't help. But when I finally got to playing it I felt that it was pretty well put together, loved how...