This is a bit off-topic, sorry..
I did experimental ad-hoc measurements on the effect of amiga led filter. My goal is to implement led filter support into ua(d)e. Deliplayer authors are of course welcome to use this data if they find it of any use. However, I have some doubts on these results, so everyone should do their own experiments, and preferably report their results here (or to me).
Here's the data:
http://ee.tut.fi/~heikki/amiga-sound-model/
Based on this data I should be able to generate appropriate FIR/IIR filters. My DSP skills suck but fortunately I have friends that work on signal processing field:)
shd / uade team