Version 0.1 - This is still a work-in-progress, not fully finished, but it is a virtual guitar amp-head meant to be placed right before a speaker convolution/cabinet emulator in an FX chain. I won't pretend or try to tell you that this would sound like a high-end tube amp, but on the other hand I'm giving it away for free. So far I've only tested it at 96KHz. Please comment here or on the forum with what you think it needs for the next version.
Edit: I've added version 0.2 in the forum, and the plug-in now includes coding comments to make it easier for anyone to tweak.