Got a few tweaks, both for speed and security
Turn your infrared reception on/offI suggest off because any techy that happens to have a device with an infrared xmitter could potentially cause some showstoppers.
http://support.Apple.com/kb/PH11061Turn off DashboardMost people don't use it, and it does take up some system time
http://Apple.stackexchange.com/question ... ntain-lionRemove the Sleep Image and set it to offSleep image is what brings your laptop quickly out of sleep or hibernate mode. Issue is, if you are running a laptop strictly for DJing, you probably don't sleep or hibernate your computer. I don't, and it was taking up 18 gigs of space on a 120 gb SSD (over 10% of the available space). Fresh load before every performance, and never sleep. Here's how to do it
http://www.maclife.com/article/howtos/h ... e_your_mac