Harry Potter and the Half-Blood Prince (Widescreen Edition): Daniel Radcliffe, Rupert Grint, Emma… for $3.99
Widescreen DVD of the Half-Blood Prince for only $3.99 on Amazon. Also, I noticed that you can watch it instantly right after you buy the DVD.
"Watch the Amazon Instant Video rental on your PC, Mac, compatible TV or compatible device at no charge when you buy this DVD from Amazon.com. Your rental will expire 2 days after you begin watching or 30 days after your disc purchase, whichever occurs first. The Amazon Instant Video version will be available in Your Video Library and is provided as a gift with disc purchase. Available to US customers only."