jeepthing, you can get both the compression and OD/Distortion P90 mentioned, out of a multiFX pedal. My recommendation is this....
http://www.musiciansfriend.com/produ...dal?sku=152172
or
http://www.musiciansfriend.com/produ...al-?sku=160000
I have both, plus a bunch of other pedals. IMO the quality of the FX in the Korg makes it a great deal.