[Jack_]

- Davina [unlikely, so Brian Dowling/Emma Willis instead]
- Marcus Bentley
- Original theme tune
- Eatock eye designs
- VOTE. TO. SAVE.
- 24/7 Live Feed
- Live launches/evictions/finals
- Daily highlights
- Unlimited alcohol
- No breaking up arguments
- Billboards
- BBLB to return
- BB6-style house
- Outgoing housemates
- More twists

Can't think of much else.