These items are currently on eBay for a nominal sum + postage at cost.
BBC 6502 2nd processor module
http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=2764308581
BBC Midwich 5.25" Half height Floppy
http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=2764309275
BBC 6502 2nd processor module
http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=2764308581
BBC Midwich 5.25" Half height Floppy
http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=2764309275