September was a really awesome month.
As for 2011, I was really happy to come across this article
Coldplay join Beyoncé as Glastonbury 2011 headliners
Chris Martin's gang will top the bill at Glastonbury for the third time since 2002 – with rumours that U2 are to join them
Whole article: http://www.guardian.co.uk/music/2011/feb/15/coldplay-glastonbury-2011-headliners
I'm really hoping they do come back to Vegas, because I would love to see them this time. I know the Aria Hotel Shows are awesome, and it would be so cool if they collaborated with them or did something of that nature.