Thanks! that's good input. I've been waiting to hear from someone on that particular compressor. For reference - which Keeley? 4 Knob? 2 Knob?
I have the 2 knob Keely Compressor with the 2 internal pots, although time from time I do want to try a 4 knob just to see if there's difference in the compression and to have all the controls availible on instance, I haven't had the privilage to use one thus far. Elevation Worship's lead guitarist uses the MXR Custom Comp, I don't know if you have heard them before but here is a link a song of which you can hear it stand out in a live worship situation:
He has a great clean sound, here is a look at his board: