I wanted to, actually, but it never supported my Prometheus, so I couldn't.
My point wasn't that AOS 4 was better than MOS - it's not, it's the same, here - but that MOS (and AOS) are actually behind OS 3 - at least when you include third party software. It's a bit crazy that the only Amiga to be able to do isochronous connections is the 20 year-old A3000/A4000, especially when USB is by far the standard interface these days.