My minimalist setup consists of SD40, Korg Microkey, Crown CM head mic and a small folding table from WalMart. I use the SD40's power supply to tilt the module when I play sitting. I normally use Aiwa Exos 9 or Bose Compact L1 for amplification depending on the venue.
Pictures to follow
Roland E-A7, Ketron SD40, Aiwa Exos-9, Motion Sound, Bose L1 Compact, TC Helicon Perform V, Fender Sonoran, Crown CM311A, Shure Headworn Mics, Korg Microkey61, MobileSheets Pro