I am a lead vocalist in a LOUD band. We have only been playing for about a year so needless to say we don't have the best equipment yet, so I'm looking to upgrade. Our biggest problem in my opinion is that we play way louder than we need to and the venues we play and our equipment can't handle the high volumes. A few practices ago I directly addressed the issue with the other guys in the group, and as of late we have been playing a lot more dynamically and my vocal isn't as drowned out as it used to be, however it could be better. Thus I am still looking to purchase a new mic with a preamp, in hopes of boosting my vocal a bit more. I was looking at the Shure Beta SM58 for the mic, but I have no idea what kind of preamp to go with. This preamp should be exclusively for practices and gigs, not so much recording. Do any of you guys have any suggestions for me given my situation (loud ass band)?