Recently picked up a bluray player, and a bunch of bluray discs:
- Star Wars saga
- the twelve released classic James Bond movies
- Lord of the Rings trilogy
- Avatar
- Blade Runner (Final Cut)
- the final two Harry Potter movies
Other than "double dipping" on Star Wars and Blade Runner, I didn't have these titles on dvd and/or I haven't watched them in years.
The Avatar and Blade Runner blurays were excellent to watch. They blow away the dvd versions completely.
If one is willing to overlook minor changes to the movie, the Star Wars blurays were outstanding in picture and sound quality on a decent big screen tv and sound system.