As my first processor, it totally satisfies me. Sounds good. Producer released bunch of updates and cabsims available on website for download. Unfortunately, users only sell their presets for money, found only one or two decent settings shared for free. So if you want to simulate famous guitarist's sound -try over and over on your own.
Quality is great, heavy and solid. Except, markers are painted white and hard to see on grey surface. So you have to read like grandma when you try to find any button, e.g. distortion block or amp settings. And the buttons play a bit (shake if you slightly touch them).
If not the drum-machine and looper, I would give 5 stars. You cannot record drums when you plug to the computer. You can record guitar from the looper, but drums only play from the processor itself, which is weird. Some of the drum patters sound bad (especially snares). I would rather replace complicated weird patters with simple drums, e.g. just kick-drum or kick+hi-hat, because they are more universal and you can use those for whatever you play.
Looper doesn't let you remove specific layer (or at least just last one), so if you screwed on third or fourth play -delete everything and start over.
Bonus tip: it is easier to record silence on first loop (use drums/metronome to measure). Then you can start recording in advance and start playing when timline returns to beginning. Stop recording when you are ready. Otherwise it is difficult start/stop in time.