After reading your recent posts, you need to define in more detail
on what is your 'live sound' goals are.... 10 people venue? 1000 people? etc.For instance, if you are doing this;
http://www.2-tickets.com/venues/VerizonWirelessAmphitheater_SA.jpg
Then you better score some pro audio arrays ![](http://www.audioroundtable.com/emoticons/smiley.gif)
If you are doing this;
http://www.lakeofthewoodsmuseum.ca/portal/uploadedImages/Sub_Portals/Museum/Events/Concert_Outside_Large.jpg
Then a DIY project will work nicely and it doesn't have to be
super fancy.