Recorded live stream discussion (at EGX) on expansion and future of ED. https://www.youtube.com/watch?v=3Em7TLwFifE
Newsletter talking about some of the new infohttp://us2.campaign-archive1.com/?u=dcbf6b86b4b0c7d1c21b73b1e&id=5fd2c5476a&e=033b8862cd
Ship-launched fighters (player or AI controlled, or you fly the launched fighter and the main ship is player controlled or AI)
Multi-crew (player multi-crew ships)
Commander Creator (player created avatars)
New mission systems
New loot and crafting system
1:1 planetary landings
And the return of bobbleheadshttps://www.youtube.com/watch?v=uwNOuEVMobs
Edit: ED currently on 40% sale ($26.99) https://www.frontierstore.net/usd/games/elite-dangerous-cat/elite-dangerous.html/
If you purchase during the sale then pre-order Horizons it will cost you $11.99 more then if you just pre-ordered Horizons, but you get to play it 3 months earlier.
Edit_2: Support for SteamVR (HTC VivE).