You asked for it. Below is a list of all the gear if thousands either uses or has used in the past. This list will be updated as time goes on (as we remember all the things we've ever used or will use in the future - it's a LONG list).

INSTRUMENTS

Aaron
Two Danelectro's
Vintage 1968 Fender Twin Amp
Rickenbacker 4001 bass
Cheap (Squire?) bass
Line 6 echo modeler
Line 6 syth modeler
Big Muff
Phase Shifter
Super Shifter
Children's Keyboards (2 or 3)
Kalimba
Children's spinning wind instrument
Drum kit (unsure as to make)

Christian
Hammond M3
Micro Moog
Optigan
Roland Juno 60
Ensonics Mirage (the "black beast")
Roland Slave
Casio SK1(two, one is circuit bent)
Farfisa (no model # found)
Yamaha DX-20
Sequential Circuits Multitrak
Grand Piano (unsure as to make)
Forte Piano (unsure as to make)
Hohner Bass 3
Krumar
Two theremins (one handmade by Tim Kaiser, the other a simple theremin).
Music Boxes (about 10 of them)
Handmade "poor man's Mellotron" made by attaching hundreds of pieces of analog tape to a foam core board and dragging a 1/2" Studer head plugged into a dj mixer over the tape.
Cello
Old-School tape loops run on an circa 1980's Akai reel-to-reel
Circuit bent children's keyboards (around 10 of them)
Ukelin
Crappy Yamaha Sampler (since put out of its misery)
Handmade Telegraph Machine
Motorized spinning wheel
Walkman
Assorted circuit bent instruments (about 10 or so)
Shoenhut Children's Piano
Pump organ
Wurlitzer (the reed kind)
Fender Rhodes
Sitar
Electric and acoustic guitars (9 total)
Okarina
Pan flute
Tin whistle
Ghanian flute
Kaos Pad
Korg Poly 800
Minidisc recorder & true stereo mics
Bell Set & various "ringer bells" removed from telephones
Various industrial cassette recorders/players

Guest Musicians
Martin Guitar
Banjo
Circuit Benders
Polynesian Lute
Turntables
Bass Flute
Clarinet
Trumpet
Trombone
Coronet
Cello

Sound
Hartke Head
4x12 bass bin (unknown make)
Peavy CS-600 XS system with 15" bottoms
2x18 subwoofer (unknown make)
Mackie SR1530 system
Fender Champ
RolanJazz/Chorus 77 (that we exploded during the making of candice recorder)
Sennheiser mics
Blue Mics
AKG Mics
Monster cables
Super Slinky, GHS, handmade sitar and cheap (as possible) cello... strings

Other
Alesis 2, 3 & 4 multieffects units (2 is the best of all of 'em)
BBS distortion
Fuzzface
Mutron 2