Purchasing Stuff

So, I'm in the mood to treat myself to a DVD or two and I'm trying to decide what:

-- Babylon 5 Season 4: I own Season 3, and I wanna know what happened, darn it.
-- Scrapped Princess: I own the first two DVDs, and it's made me wanna watch more. There's lots of weird, interesting stuff going on in that series.
-- Vision of Escaflowne boxset: I need a rewatch, to be honest
-- Firefly Complete Series: The only thing on this list I haven't seen, but people speak highly of it.

Wouldn't mind seeing DS9 again, but Star Trek is expensive.