[ludi]

Hmm dielectrics are still heavy stuff.
It's seems that time doesn't realy help to clean up this rendering.
after 1h it was quite similar to this. (total 6.5h @ P4 2.6Ghz)

[rivoli]

Hmm dielectrics are still heavy stuff.

yep, plus that "blurriness behind dielectrics" bug doesn't help at all.