I remember coveting a friend’s MT-32 setup, but when the GUS came out it was gold. It could do amazing wave-table synthesis in an affordable card. The first time I played Doom with the GUS-rendered soundtrack I was blown away at how great it sounded. I long since parted with my own GUS that I had in the 1990s, and I often wish I held on to it. They seem to be much sought after collector’s items now.