Vagrant Story, ex-rental for NZ$6.95. This made me very happy at the time (2001, I believe), and given the relative scarcity of that game now, I'm extremely pleased.

Also nifty was finding the Final Fantasy Anthology brand new for $25, back in 2002.[q=Tsukasa]Stubbs the Zombie.[/q]That game is marvelous. I've never played it, but I've seen it played... any game featuring a zombie protagonist who can use his own organs as ranged weapons, and where a mini-game involves peeing into a reservoir for several minutes straight...