You can also use a normal PC powersupply of cause, there are "complications". A modern powersupply dosnt turn fully on unless it detects a motherboard is present. So what I used to do was drag a whole pc box up next to the Amstrad and use that to power the floppy drive.
My current setup: [http[image://img168.imageshack.us/img168/6102/quickyp3.jpg]]
== Setting it all up ==