I am a bit cynical about this night (cos I've been to a few too many Back to '89 style nights in London) but I will concede that Bushwacka still has his finger on the pulse (as ElMooreo said) and does select/mix it up very well (PROOF HERE >
https://soundcloud.com/justbebushwacka/live-at-shoom-december-2012
If he gets to call the shots and is allowed to programme the music it may be very good and I will freely eat my words.
However...
there's at least one 'legend' on the summer lineup though on there (who I won't name..) who I have met and is just a middle aged bloated cokehead - booked purely on his reputation 30 years ago - who I guarantee you will just trainwreck his way through his collection of tesco classics CDs like an uncle at a wedding