Hi guys, having an issue with a new m audio keystation 88es, the delay between when i press the key and hear a note is too long, like: press key 1, 2, 3, note only running on usb power on a new computer, any ideas?

I'm guessing you have it hooked into your PC and are connected with MIDI, right?
just go though all your sequencer settings and PC settings to make sure everything is set correctly. USB 2.0 ports are quicker than 1.1 ports but you should be able to power the board with just a USB cable.

Other than this I'm not sure whats up, I've never used this product in my studio or at a store but I hear it's a great control board.
Haven't tried the midi yet, I just have it powered and playing through the usb.