magnepan mmg experiments continue

hi, please give me some advice on which xover changes i can make to my mmg's without spending too much money. if the budget priced capacitors don,t offer much improvement then i.ll just enjoy them as i have them now. my goal is to isolate the capacitor and wire coil from the cabinet and improve the xover if economically feaseable. with the new frames and damping and bracing on stands i have achieved dramatic results so far.i.m not going to go into biwirng or biamping unless someone educates me on the benefit of these configurations. currently using a emotiva xp-2 with 500 watts into 4 ohms. thank you