Just saw and responded to this post over at GuitarGeek (http://www.guitargeek.com/chat/complete-rig-27/jay-bennett-wilco-1999-a-108442/#post1142154) Here's what I got: Arion MEQ-1 Equalizer (this makes the most sense to me regarding color, shape, and placement in chain) Ernie Ball Volume Pedal Boss TU-2 Chromatic Tuner Musitronics Mu-Tron Micro V Envelope Filter Diaz Tremodillo MXR Blue Box (initially I thought this might be a Dunlop JH-2S Fuzz Unit, but those and the Dunlop Octave Fuzz are both too dark when you compare with knob color to be this. Believe this is the MXR Blue Box and will