Greaseweazle + any old standard floppy drive (3.5"/5.25"/8") is the way to go, for having a usb attached floppy drive. Avoid usb fdds, they are burdened with

Greaseweazle + any old standard floppy drive (3.5"/5.25"/8") is the way to go, for having a usb attached floppy drive. Avoid usb fdds, they are burdened with a controller that do not allow track read/write, making them of very limited usefulness.