Hey Travish325, there have been some that have gone in that range, however I listed it on AutoTrader for 22,900. Looking at the other RS6s on that site, I feel mine is worth more. The only real value is what someone is willing to pay for it.
How much did your conversion cost? That would be a next step if I was going to keep mine, it is currently tuned down to about 500 ft lb torque to keep the trans safe.