DJ Hero just came out and there are details already on downloadable content. There are two new mixes available now and more joining on November 24th.

DJ Hero Extended Mix pack 01 features the following mixes:
“All Of Me” by 50 Cent featuring Mary J. Blige vs. “Radio Ga Ga” by Queen
“DARE” by Gorillaz vs. “Can’t Truss It” Performed by Public Enemy

It’s available now on Xbox Live and Playstation Store.

On November 24th, three mixes will be available from David Guetta. The David Guetta mix pack will feature:
“When Love Takes Over” featuring Kelly Rowland, the chart-topping “Sexy Chick” featuring Akon and “On The Dance Floor” featuring will.i.am and apl.de.ap of the Black Eyed Peas.