Thre been a lot of selling activity for Avante and Egress chassis' recently here in NZ and they prices they've been going for are very reasonable. I sold my Egress with the original Adspec system a few months back for NZ$750 and there is one currently listed on tradeMe (NZ version of ebay) at the moment with a body
http://www.trademe.co.nz/Toys-models...-211464277.htm