Thanks Stimpy! I've looked at the Dayton caps before, but was under the impression that they were cheap and on the same line as a Bennic or Solen! Perhaps I may have judged them wrong? Perhaps you can tell me what series Dayton caps you tried. I see they have the DMPC, DFFC and PMPC series.
Perhaps I will try the Mundorfs. Is there a particular series that you prefer, such as the Mcap, Tubecap, Supreme, Silver Oil/Siver-Gold Oil?
I have also heard good results with the Audyn Plus caps! Gotta love cap rolling 
Of the 3 Dayton caps, I've used the DMPC's and the DFFC's as bypass caps. I was pleasantly surprised by the DMPC's, as they are the cheaper PE Dayton 5% caps. They sounded very balanced and smooth, with good soundstage width and depth. Not too warm or sterile either. But, I did hear some spittiness and a little sibilence occasionally, in the upper mids. Not often, mainly an SSS sibilance. So I used a DFFC Film & Foil bypass cap and that cured the sibilence.
I haven't tried the PMPC Dayton 1% caps yet. I wouldn't hesitate to try them, if needed. And they did get a positive review from Tony Gee at Humble Homemade HiFi. Or at least the Bennic version did, as they make the Dayton caps.
As far as Mundorf, I usually use the Aluminum EVO Oil series. A middle of the line series, that to me, offers a good performance for the price, reward. Plus, the EVO Oils are used when making Mundorf Supreme capacitors, so they must be pretty decent. Just less costly. Which is good. More open and airy. Maybe not as warm as the ClarityCaps, but not rolled off either. I guess I like a balanced and a detailed response. Not too syrupy, like the Clarity's (to me, IMHO).