Here's what I am currently using in my rig. I am continually trying new things and updating my gear.

Furman power conditioner Merit series Model #M-8D
Sabine rack tuner #RT-1601
Custom Audio Amplifiers 3+ SE Tube Preamp
Alesis 3630 Dual Compressor/Limiter w/gate
TC electronic-dual M300 dual engine processor
Alesis QuadraVerb 20K Bandwidth simultaneous digital effects processor
Lexicon Alex digital effects processor
Funk Logic AP-302 Algorhythmic Prosecutor
Mesa engineering Stereo Simul-class 2:Ninety Power amp.