comparing apples with oranges.... right now i am selling my warwick thumb 6 NT 1991 wenge because i don´t use 6 strings...and that is why the bass is in extremely mint condition. i got two guys who want to trade in their instruments: a peavey b-quad 4 plus some extra cash. an overwater progress custom 5 without extra cash. since i have quit an arsenal of basses,for me it doesn´t matter a 4 or a 5....i use them both. i am more concerned value-wise. what about in time i don´t like this bass and i need to sell it. what bass would you favor??? or would you keep the thumb? ps. any of you want to bid on the thumb...you´re welcome too.