I’m new to the ampli-firebox world but so far I’m really impressed. So much so that when another one showed up on my local craigslist, I bought it as well. Now I have a great stereo headphone rig to play at home. The cleaner Fender and Vox amps sound fantastic as is but the higher gain models could use a touch more realism in the high end and more chugging(if that’s a real descriptive term) in the lows. I still have mine set stock because the first one I purchased had been altered by the previous owner and sounded awful. When I messed around in the EQ, I only made it sound even worse. It almost made me want to resell the thing but then I reset it to stock and it sounds good. I have also read a lot of posts from other users who tried fine-tuning the stock presets and ended up resetting them back to stock because they only made them sound worse as well. So my question is, has anyone had any success getting a better than stock hard rock, light metal tones out of these? If so, did this require an IR change or was it totally done with the EQ perimeters?