Someone write before, that amiga doesn't need usb. But I and my miggy does need. So as a simply amiga end user the story is very sad:
The OS (3.9) doesn't have any support for usb. Someone sell an usb card but with demo drivers. What a good offer! Other drivers not working with this card.
Someone else want money for an usb driver. For a driver?

That is really sad. OK all of the manufacturer not write any driver for his product, and some talented guys do for amiga. But money for a driver is a really sad story.
And one more options for piracy. For a software you have to pay, but you have the rights to get software support too.