Ok. I am trying to collect some thoughts about in-ear monitors. I don't have money to invest in aviom. So I will say that first off. I have heard decent things about Shure's system. How much would I be looking at paying for an in-ear monitor system that we (band) could take wherever we went. We play at different churches, and would like to be able to take this whereever we could. We would probably need 4 mixes... How do they work when dealing with different mixes?