I guess if you're in the same room as it and you value your hearing, you might want a quiet compressor. Maybe I'm just getting old, but I don't want to be deafened by everything I use.
Never heard of that mfg before, and I would have to agree it is much quieter. The noise frequency is also much more tolerable. I'm looking over their lineup now because we will probably be adding a second compressor in our other building for the same reason you mentioned earlier. We don't feel like burying another line all the way over to it.