Rival Schools *Rare?*

[Spitfire]

I found a copy of the PS1 and arcade fighter Rival Schools at Gamestop while looking for RE 2 and 3. I was wondering if I should nab it. I liked the game but I wouldnt buy it unless it's rare. Does anyone know? Thank You ^_^ This is the PS1 version, looks to be 2 disks and in good shape