Got a chance to pick up one of these second hand for cheap that I am considering, but I have a couple of questions that I'm not sure about:   1. Is the firehawk limited to 3 user changeable FX blocks? i.e. is there no way to have two overdrive pedals, a modulation and a delay all at the time time?    2. Am I right in thinking you can't use the footswitches to make any changes to the amp section? i.e. acting as a fs to change from clean to drive etc - if not I take it you coul