I suppose it would depend on if you understand Japanese or not. I don't, but currently have a small bit of goodies that I can recommend:
- Ketsui ~Kizuna Shigokutachi Extra~ (JP) - Never released outside Japan. The LE includes a soundtrack and super-play disc.
- Okami: Zekkeiban HD Remaster (Asia) - I could be remembering this wrong, but I think it's only the Asia release that has English text. Regardless, it's considerably cheaper.
- Siren: Blood Curse (UK) - Out-of-print, but well-worth playing. It was released in the US and EU on PSN, but I believe both are censored.
- Vampire Resurrection (aka Darkstalkers HD) - Both the Asia and JP releases are region-free, with full English text throughout. No differences except in price.