Hi Steve,
Sorry, can`t help you as regards the epilogues but I have been running Prologue One `R`s and a Dialogue One R now for over 12 months.They are very, very good speakers. Dissapointed with them at first, but you must give them a good running in period before you judge them and I suspect that would be the same for the Epilogues. Now I have upgraded the rest of my kit (Arcam 10 amp with DAVE module/Arcam 10p 3channel power amp/Arcam 9p power amp)they really do "sing". They are very articulate speakers,do not expect bone crunching bass but what bass there is -and there is some- is nice and tight. They can sound a bit lean in the midrange but the top end is sweet.What reports I have seen about the Epilogues have been good - but if you have a big room I suggest you look at other options,and if you like headbanging music they may not suit. But if your leanings are towards accoustic music and vocals they are superb.I use the Prologues with a Rel Strata III sub - but only for movies. Ultimately you MUST audition them and have a home demo to be absolutly sure. Hope this has been of some help.