First up, I would like to see a blu ray section separate from the DVD section. It may not be filled rapidly as spag BD's will most likely not be released that often on BD.
That being said, these are the specs for the upcoming US release of the GBU blu ray:
Blu-ray Disc Features:
Widescreen - 2.35
Dolby Digital 5.1 - French, Spanish
DTS HD Master Audio - English
Mono - English
Subtitles - English, French, Spanish
Additional Release Material:
Extended 3-Hour Version
1. "Leone's West"
2. "The Leone Style"
3. "The Man Who Lost the Civil War"
1. "Reconstructing THE GOOD, THE BAD, & THE UGLY"
2. "Il Maestro: Ennio Morricone and THE GOOD, THE BAD, & THE UGLY"
1. Original Trailer
2. French Trailer
1. Richard Shickel - Film Historian
2. Christopher Frayling
1. Uno, Due, Tre
2. Italian Lunch
3. New York Actor
4. Gun in Holster
Not the wait is on for the other leones on blu ray (I already have fistful of dollars from Italy, that one comes recommended!)