I have an Epifani Quest II preamp, a Stewart 1.6 power amp, a Korg rack tuner and a 5 space rolling rack. The Epifani Quest preamp is basically the preamp that comes with the 502 in a two space configuration and they are getting harder to find. I saw one go on ebay for $575 recently. Everyone knows the quality of the Stewart power amps. The tuner is an older Korg D-100 rack mount and it all sits in a 5 space rolling rack. This pains me literally, last August I was hit while riding my motorcycle whick broke my femur. Well the bone isn't healing very fast and I am finding it tough to carry all this equipment around. I would like to sell it all together but may consider splitting it up. I would consider a partial trade if you have a Genz Benz 6.0. Epifani Quest II Preamp $575 Stewart 1.6 $500 Korg D100 Tuner $80 SKB Rolling Rack $80 Price ******* $1,235 TB Discount **$335 Total Price ***$900 All reasonable offers considered, please do not low ball me.