An old Xbox 360 HD DVD drive will work with a mac, however you need something to decode the movie with and that will be harder to find without using VMWare or something else.
At the end of the day.... It is $19.99 to buy and $4.99 to rent in the itunes store.
|Meet at HKCC Rain or Shine by pen araneae|
from Your City - Rain Down on Me
|Pregnancy Is Beautiful by sye46|
from Women's World
|Criss-Cross Traffic by PEB|
from Best Use of Motion
|Picking a Star in the Milky Way by vbuhay|
from My Best Photo of the Week