Even if they do it is cheaper to go the .25 miles from my house and pick up a blu at either blockbuster or red box....
This has been the biggest problem I have with the service. My blockbuster has unlimited rentals (2 at a time) for $24.99 a month counting blu-rays. I can also sign up for 3 at a time rentals on blockbuster.com which includes movies and games for $19.99 a month. Furthermore I have a blu-ray player that has Vudu (which has everything XtremeHD has except for DTS HD-MA. So to sign up for a service that has a high setup fee, a $10 a month access fee, and then I have to pay $5 for every movie I want to watch makes it hard to justify the purchase.
That said if the service is able to provide high definition theatrical releases as has been rumored in a few articles then I can see some value in it as I see 1-2 movies per week in theaters. That however would also depend on pricing as it currently costs us $18 (for me, my wife, and my daughter) to see a movie in theaters... therefore the sweet spot in pricing would be under $15.