Try
http://vintage-tamiyaparts.com he sells on ebay as vintage-tamiyaparts but as there's no ebay fees he sells them much cheaper on his website.
A lot of the parts used on the rerelease FAV are the updated Wild One parts so can be easily found new, check out the FAV rerelease manual here
http://www.tamiya.com/japan/download/rcmanual/58496.pdf to compare what modern parts will swap over and which are different. If you need a Wild One manual, it can be found here
http://www.tamiyabase.com/Manuals/58...ne-manual.html
If you need a body them Team Bluegroove
http://stores.ebay.co.uk/TEAM-BLUEGROOVE usually lists them, I presume they have shut down for the holidays. And if you need a driver figure, nothing beats Beetlelovers Wild One head
http://www.tamiyaclub.com/trades_mod...101624&id=3092