Final Fantasy X HD ..... to X360 or not to X360???

[Xen]

And another note... in FFX, you could, literally, walk all the way back to Besaid. If random encounters are a bother, you can create a no-encounter armor provided you have enough purifying salts (which you can get in the arena anyway). You couldn't revisit 90% of the locales in FF XIII AFAIK.