BUY

Buy the DVD! Special DVD features include the complete movie in iPod format and the complete mp3 soundtrack (and another special feature is that the movie is special). $14.99.

There are 2 options for Video-On-Demand:

Buy the download! You own your digital copy forever (well, however amazon.com defines "forever"). $9.99.

Rent via streaming/Rent via download! You can stream or download the movie--and watch for 7 days. A mere $1.99.