hey.. tell me comments/ critiques / corrections/ improvements to the following setup... Guitar :Epiphone Les Paul Standard Plus with Seymour Duncan Alnico II Pro, bridge and neck Amp: Marshall MG15DFX/ MG30DFX /G215 ( help needede here too!!! ) Processor: still under consideration !??!?!? and i need serious advice...is it better to go for a marshall foot switch minus a processor or to go for a processor and among processors suggest me a processor with the foll req. -USB support, so i can upload my own backing tracks -Expression pedal -accurate amp modelling... oh yeah..most imp under 15k HELP!!!!!!!!!