I have a Nemesis NC-115 combo and I'm considering adding a 2x10 extension cabinet to get a fuller sound with better highs. A local store has a number of used cabinets that I am considering. The Eden 210T & 210XLT, an Aguilar GS210, and a Genz Benz LS210T. They also have a Trace an EA and an Ampeg 2x10 but I'm not sure of models. Has anyone paired this Nemesis with any of these cabinets? Also, since Eden connects the Nemesis speakers in series, I'm a little unclear about wheather to go 4 or 8 ohms on the extention cab. Any suggestions on this are are welcomed also.