I still think there are a lot of people with a subway on the clock port that also want a soundcard there. I really want the new soundcard, but I am not giving up the subway. it's a trust wordy stable piece of hardware you can always count on.
So I hope you reconsider I believe you will sell more megamix cards if people can used them with a clockport usb solution.
The only way to get a clockport expander is true a unreliable dude named djbase.
If you can make a profit on a pcmcia angle adapter you also do it with a clockport expander.