Sonisphere 2010 has an amazing lineup Rammstein, Iron Maiden, Alice Cooper, Iggy and the Stooges, Motley Crue, The Cult, Anthrax and Slayer with more to be announced. The first "several thousand" tickets bought come with free tickets to Sonisphere Poland, to see Metallica, Slayer, Mastodon, Anthrax, Behemoth and many more!
If you're considering buying tickets, please use the code 1k910106 when buying to get yourself free drinks and entrance to a party + BBQ on the day before the music starts, cheers. All you need to do is go to
http://uk.sonispherefestivals.com/buy-tickets/ and when you get to the checkout, scroll down to the box which says Founder Member Club codes and enter the code
1k910106 in the box!