I will be there, and I would like to do a presentation on ACS. That is why I am going. This is good timing. I will have the BSIM3 model, and possibly some others (BSIM4, BSIMSOI, and EKV) by then. A serious, free, alternative to Spice. If no-one else from gEDA is there, I could touch on the others, but I would rather the creators present their own.