Play Asia have:
Sorcery Saga - European version for £11.67/$20 (or your regional equivalent)
Amazing Spiderman - USA version for £11.67/$20 (or your regional equivalent)
Neptunia Idol - USA version for £20/$34 (or your regional equivalent)
All games will work on any Vita but beware of DLC compatibility.
Just bought Sorcery Saga myself!
Also beware that shipping is £3/$5 or your regional equivalent.