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http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=220099988655&sspagename=ADME:L:RTQ:UK:1



Also, do Apple stores put the new disks in or will I have to do this myself?

It would fit the MacBook, but beware: It says brand new with warranty, however it doesn't state the warranty length. It could be a one year house warranty instead of Western Digital's 3 year standard retail factory warranty, if these are OEM drives originally sold to a system builder, for example.
 
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