While technically not Region Free (It doesn’t work on Japanese Systems) – this one is ok for us PAL Xbox owners – and damn cheap too (under $60 including shipping!)

I didnt’ get into this – Burnout revenge is still fun to play – so don’t need another

FlatOut: Ultimate Carnage (US Version) - Works on Pal Systems (AU/NZ/UK) under $60 including shipping to Aus