http://www.nme.com/blog/index.php?blog=10&blog=10&title=title_328&page=1&more=1&c=1&tb=1&pb=1&disp=single

"..if you were in last year, I’m sorry, but you can’t be in twice. The future is all-new."

Odd then that Mike Skinner is in again this year as he was last year. Confused.
Anyways here's the list:

50. Gaggle
49. Xenomania
48. Invasion
47. Yo Gabba Gabba!
46. Diesel:U:Music Radio
45. Cooly G
44. Star And Shadow Cinema
43. Sonar Festival
42. Blackout Crew
41. 3OH!3
40. Stephen McGregor

39. Opera
38. Aldene Johnson and Hannah Marshall
37. Project Natal
36. Lady GaGa
35. Rostam Batmanglij
34. Hyperdub
33. Seb Chew
32. Sweden
31. Greg Kurstin
30. Beck

29. Sonic Boom
28. Take That's stage show
27. Bandstocks.com/Patrick Wolf
26. Micachu
25. Salem
24. Gigbaby
23. The Dream
22. Ray Tintori
21. Platform

20. The Big Pink
19. Twitter
18. Popjustice
17. Mike Sniper
16. Nick Zinner
15. Norwich
14. Bradford Cox
13. Mattias Arrelid
12. Dan The Automator
11. Blocks Recording Club

10. La Roux
9. Little Boots
8. VBS.TV
7. Jack White
6. The XX
5. Omar Souleyman
4. Dizzee Rascal
3. Trent Reznor
2. The Knife
1. Animal Collective