The killer list of freshly confirmed new bands is as follows:

Limp Bizkit
Parkway Drive
Enter Shikari
Jimmy Eat World
Korn (playing with original guitarist Brian 'Head' Welch! ARE YOU REAAAADDDDY!)
Airbourne
Cancer Bats
Asking Alexandria
Motionless In White
Young Guns
Hacktivist
Walking Papers
Five Finger Death Punch
Huntress
Hardcore Superstar
Converge
Down
Amon Amarth
Black Dogs
In This Moment
HellYeah
I AM I
Last Witness
The Hives
Heaven's Basement
Earthtone9
3 Doors Down
Goldsboro
UFO
Vision Of Disorder
The Sword
Buffalo Summer

Having recently also self-confirmed (cheeky), the band's now officially announced are:

Stone Sour
Bullet For My Valentine
Mastodon
Coal Chamber
Volbeat

No excuse not to go now then is there really?

The festival takes place between June 14-16 and tickets can be bought here:

http://www.downloadfestival.co.uk/tickets

What a line-up. What a festival. See you in the pit!