Q: R1 的 DVD 是否正如 R3 一般；R3 有台灣版，香港版及韓國版

A: YES... One version for each country

Q: 而 R1 有加拿大版及美國版二種？

A: Yes, Cuz there are only 2 countries in R1

Q: 差異多否？

A: They are usually the same, but there are some with big difference, such as Abyss

Q: 何者較佳？

A: again, depends. Canadian version usually comes with French and American version usually comes with Spanish.