Hey Eric the Red,
I'm in Eugene as well, we corresponded about testing our your Audiomat arpege with my paradox's. I have the Unison Research Unico now, so I would be curious about how these compare.
On to the thread... It seems from my reading that the Paradox 3's only have a couple of caps in the xover. My P1's have around 3-4 caps of high value (6-20uf) in each speaker. If they sold caps in these high values I think they would be in the $20 range per cap.
Some people who deal with DIYcable.com have been comparing the Clarity caps which they sell to the Auricaps. I haven't heard anyone say they are as good, but close. Probably a bit more analytical is what I seem to remember.
Let me pull out the schematic for the P1's. I won't give away the values but I will price out what the cap upgrade would cost. This would give a good starting point for comparing the value of them vs. Clarity vs. Sonicaps.