I actually liked FFMQ, although it wasn't a great game by any means. The biggest flaw was that with a two-person party, status ailments could doom the party at lot more quickly. I liked the visible enemies (a quality shared by FFXII) and the puzzles. It was far too easy to overpower the foes once a means to replenish MP became easily optainable.

Also I liked FFX-2 a lot, although the plot was not up to the standard of FFX, it shouldn't blind the players to it's great gameplay aspects.

I'd have to say my least favorite I've played is FFII. I always finish every FF-except for this one. I found the characters and plotline unmemorable and flat. Even FFI was better.

The worst game I've never played is Chocobo World on the Pocketstation. Not that I know what playing it would be like, but being denied the oppurtunity has left a gigantic chip on my shoulder about it.