[Back in a Subie]

Possibly book a few DJs, as every one has different tastes in music, maybe get a house, trance and D&B DJs or something.

lazer light shows are amazing at raves, if lazers are too expensive to rent, just get other lights, but make sure it looks amazing.

Make sure you have a lot of water on hand, bottled or whatever... ravers need water and lots of it.

Depending on how big its going to be, you can always pick up a case of zigzags so there are rolling papers on hand, also other little things ravers like, such as vix vapor tubes and hard candy you can suck on.