Does it involve soldering? I think you'd be mad to when you can and a cd32FWSI for £49.50
http://cgi.ebay.co.uk/Floppy-Drive-Amiga-CD32-Games-Console-/170572894620
watch out for Analogic Computers - chances are the'll email you back requesting some insane shipping charge.
I bought a cd32 from them (on ebay) for £40 and they came back and demanded £65 for shipping, which I reluctantly paid, finally they never shipped it and were very insulting in their correspondence with me.
I told them they either needed to send my CD32 or refund my money. I escalated the issue with paypal and was able to get my money back...
How these a$$holes have 99% good feedback on ebay I have no idea...
http://www.amiga.org/forums/showthread.php?t=52597&highlight=Analogic+Computers