Our band does a lot of festivals/rallies through the summer. The singer/guitarists desperately wants to build an in-ear rack that we can take with us to the various festivals that we do so we aren't dependent on the wedge systems that are provided. He doesn't sing very loudly and he's always saying that most of the time he can't hear himself. My question is this... how easy is it to build an in-ear rack that will be quick and simple to set up/integrate into a production company's PA system? Right now we can show up at the gig and be ready in about 5 mins after the preceding band vacates the stage. It seems to me that if we show up with an in-ear system that it would require too much time to setup (which would burn into the time we have for our set), and possibly gain us a reputation as being a difficult band to deal with (which could cost us gigs). So does anyone have any experience with this kind of thing, and if it can be done what would be required to make it an easy setup that wouldn't get under the skin on the sound engineers and production guys?