I have several different amp sims so this was a just for the hell of it download. I am honestly not much into the amp modelers (even though I have IK, Waves, NI, several PI , etc) due to, well I have plenty of amps and mics and am able to crank them as I wish. And sims just don't ever seem to have the dynamics. One thing that has always bothered me about sims was that all of them seem to go over the top in simulated "speaker" noise/hum when gain settings are cranked. While I understand the theory of trying to make it sound like a real amp, to me it's just too much of what I don't really think of as a good thing. That said , these sims seemed to have a much reasonable level of this noise. I didn't experience any difference in latency as compared to other sims, in other words no real latency at buffer settings below 256 in the DAW (Harrison Mixbus) on my I5 laptop through 2I2 and driver buffer setting ~5ms. latency was more noticeable once I added a chorus and reverb plug in, and I had to up the buffer in the engine to avoid clicks with the added plugins, though this is usually the case with that laptop and the focusrite, so not related the bluecat stuff. I haven't tried it on my desktop, or even my I7 laptop or ProTools systems yet, but considering the system I used it on was the slowest one I have I was happy to get usable credible sound from a free sim that I wouldn't hesitate to pull up for an impromptu mobile session where no amp/mic was available. Since Steve had squashed and possibly a noisier experience than I did(apparently) I would say that YMMV depending on your system, DAW , etc.