There are a lot of VST amp simulators out there. I'm very happy with Green Machine (but it's not free) http://www.greenmachine.pwuq.net/html/greenmachineamp.html and the free guitar suite has a great Marshall sim: http://www.simulanalog.org/guitarsuite.htm Here's an interesting thread with some audio samples of different VST guitar amp sims: http://www.kvraudio.com/forum/viewtopic.php?t=94147&highlight=guitar+amp+sims -- Art Simon simart@null.net http://art.simon.tripod.com http://www.myspace.com/artsimon