3 DISC LIMITED EDITION BLU-RAY SET FEATURES:
- BRAND NEW RESTORED TRANSFER IN GLORIOUS HIGH DEFINITION 1080P OF BOTH FILMS
- BRAND NEW SUBTITLE TRANSLATION ON BOTH FEATURES
- LIMITED EDITION PACKAGING NUMBERED #/5000 WITH CERTIFICATE
- LIMITED EDITION EXCLUSIVE SPECIAL FEATURES
DISC 1 - THEATRICAL CUT: SPECIAL FEATURES
- ORIGINAL THEATRICAL TRAILER
- THE MAKING OF BATTLE ROYALE: THE EXPERIENCE OF 42 HIGH SCHOOL STUDENTS
- CONDUCTING BATTLE ROYALE WITH THE WARSAW NATIONAL PHILHARMONIC ORCHESTRA
DISC 2 - SPECIAL EDITION [DIRECTOR'S CUT]: SPECIAL FEATURES
- SPECIAL EDITION TRAILER
- TV SPOT: TARANTINO VERSION
- SHOOTING THE SPECIAL EDITION
- TAKESHI KITANO INTERVIEW
- THE CORRECT WAY TO MAKE BATTLE ROYALE [BIRTHDAY VERSION]
- TOKYO INTERNATIONAL FILM FESTIVAL PRESENTATION
DISC 3 - SPECIAL FEATURES
- OPENING DAY AT MARU NO UCHI TOEI MOVIE THEATRE
- THE SLAUGHTER OF 42 HIGH SCHOOL STUDENTS
- PREMIERE PRESS CONFERENCE
- THE CORRECT WAY TO FIGHT IN BATTLE ROYALE
- ROYALE REHEARSALS
- MASAMICHI AMANO CONDUCTS BATTLE ROYALE
SPECIAL EFFECTS COMPARISON
- BEHIND THE SCENES FEATURETTE
- FILMING ON SET
- TV SPOTS, PROMOS AND COMMERCIALS
- KINJI FUKASAKU TRAILER REEL
36 PAGE BOOKLET INCLUDING:
- 'A BATTLE WITHOUT AN END' BY TOM MES, AUTHOR OF 'THE MIDNIGHT EYE GUIDE TO NEW JAPANESE FILM'
- PRINTED INTERVIEW WITH DIRECTOR KINJI FUKASAKU
- 'TODAY'S LESSON IS... YOU KILL EACH OTHER' BY JAY MCROY, AUTHOR OF 'JAPANESE HORROR CINEMA' [LE EXCLUSIVE]
- EXTRACT FROM KOUSHUN TAKAMI'S ORIGINAL NOVEL [LE EXCLUSIVE]
- ORIGINAL PROMOTIONAL MATERIAL INCLUDING DIRECTOR'S STATEMENT, CAST AND CREW BIOGS [LE EXCLUSIVE]
16 PAGE BOOKLET INCLUDING:
- CONCEPT ARTWORK AND DRAWINGS FOR THE LIMITED EDITION SET [LE EXCLUSIVE]
5X7" POSTCARDS OF STILLS FROM THE FILM [LE EXCLUSIVE]
FOLD-OUT REVERSIBLE POSTER OF ORIGINAL ARTWORK

And now for the DVD:

DVD 3 DISC LIMITED EDITION SET FEATURES:
- BRAND NEW RESTORED HIGH DEFINITION TRANSFER OF BOTH FILMS
- BRAND NEW SUBTITLE TRANSLATION ON BOTH FEATURES
- LIMITED EDITION PACKAGING NUMBERED #/5000 WITH CERTIFICATE
- LIMITED EDITION EXCLUSIVE SPECIAL FEATURES
DISC 1 - THEATRICAL CUT: SPECIAL FEATURES
- ORIGINAL THEATRICAL TRAILER
- THE MAKING OF BATTLE ROYALE: THE EXPERIENCE OF 42 HIGH SCHOOL STUDENTS
- CONDUCTING BATTLE ROYALE WITH THE WARSAW NATIONAL PHILHARMONIC ORCHESTRA
DISC 2 - SPECIAL EDITION [DIRECTOR'S CUT]: SPECIAL FEATURES
- SPECIAL EDITION TRAILER
- TV SPOT: TARANTINO VERSION
- SHOOTING THE SPECIAL EDITION
- TAKESHI KITANO INTERVIEW
- THE CORRECT WAY TO MAKE BATTLE ROYALE [BIRTHDAY VERSION]
- TOKYO INTERNATIONAL FILM FESTIVAL PRESENTATION
DISC 3 - SPECIAL FEATURES
- OPENING DAY AT MARU NO UCHI TOEI MOVIE THEATRE
- THE SLAUGHTER OF 42 HIGH SCHOOL STUDENTS
- PREMIERE PRESS CONFERENCE
- THE CORRECT WAY TO FIGHT IN BATTLE ROYALE
- ROYALE REHEARSALS
- MASAMICHI AMANO CONDUCTS BATTLE ROYALE
SPECIAL EFFECTS COMPARISON
- BEHIND THE SCENES FEATURETTE
- FILMING ON SET
- TV SPOTS, PROMOS AND COMMERCIALS
- KINJI FUKASAKU TRAILER REEL
36 PAGE BOOKLET INCLUDING:
- 'A BATTLE WITHOUT AN END' BY TOM MES, AUTHOR OF 'THE MIDNIGHT EYE GUIDE TO NEW JAPANESE FILM'
- PRINTED INTERVIEW WITH DIRECTOR KINJI FUKASAKU
- 'TODAY'S LESSON IS... YOU KILL EACH OTHER' BY JAY MCROY, AUTHOR OF 'JAPANESE HORROR CINEMA' [LE EXCLUSIVE]
- EXTRACT FROM KOUSHUN TAKAMI'S ORIGINAL NOVEL [LE EXCLUSIVE]
- ORIGINAL PROMOTIONAL MATERIAL INCLUDING DIRECTOR'S STATEMENT, CAST AND CREW BIOGS [LE EXCLUSIVE]
16 PAGE BOOKLET INCLUDING:
- CONCEPT ARTWORK AND DRAWINGS FOR THE LIMITED EDITION SET [LE EXCLUSIVE]
5X7" POSTCARDS OF STILLS FROM THE FILM [LE EXCLUSIVE]
FOLD-OUT REVERSIBLE POSTER OF ORIGINAL ARTWORK

So in essence the specs and extras are EXACTLY the same but only the Blu-ray has the HD materials.

Oh and just to test how far down you've all read - the DVD will be region free and the BD - All Regions

Arrow Video's Limited Edition release of Battle Royale is released on both Blu Ray and DVD - both out 29th November 2010.