Via PlayStation LifeStyle

Not that this is huge news, the pack has been out at $40 for about a year now.  But still, if you had a grudge against Wal-Mart or simply didn’t want to have to pay $40 for some AC/DC tracks, the whole pack will be for sale at $30 at other retailers later this summer.

And yes, new copies of the game come with a code in the manual that allows you to export all the songs to Rock Band 2.