Software?
 

Anyone has experience with this software?

http://www.glass-ware.com/Audio_Soft...criptions.html

Are they worth the money?

This was discussed just a few days ago on this thread:
http://www.diyaudio.com/forums/showt...threadid=21932
The diy Audio search engine is quite good now, and well worth trying ;)

I'll delete the thread you started with a duplicate post on 26-10-03 :)

Thanks,

Re: Software?
 

YES!
TubeCAD and SE Ampcad are well worth the money, especially for the circuits that are harder to calculate "in your head" like cascodes. Good to double check things and rough in a design before you build it. Accuracy seems pretty good.