I just bought a new Carvin RL610 stack for use at my church. Now I need a new bass to go with it. I have a American Std. Jazz which I love but I think I want something with an onboard preamp. The music we play has a lot of opportunities to play nice melodic intros high up on the neck. I want something with a lot of definition. Something thats clear and "pretty" sounding. My jazz will grunt and growl but is not much on the singing. Thats partly because I put DiMarzio Model J pickups in it and refuse to take them out. Price range is under $1000. I prefer a four string, I've decided I have no use for five. I'm am looking at the Ibanez BTB series again. Are those BTB400's very well made? They are awful inexpensive so that makes me wonder why.