After Blackgates... which caps are best for Audio?

Michael Percy...
http://percyaudio.com/
...sells Nichicons including audio-specific types. I installed the KG Super Throughs in my McCormack DNA-750 powersupplies.
http://i89.photobucket.com/albums/k220/jeffreybehr/McCormack/09May2012_newPScaps1_1000w.jpg

I've not tried the ES series for coupling or PS apps in electronics.
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I have heard good things about Dueland stuff...very good. Gryphon, Tidal Audio both use them in their equipment i have read.

what about about mundorf gold foil oil caps ?

are there any paper oil filled caps of note ?