Yamaha CS80

What do we know about the kits these guys are offering on eBay?

I'm tempted to get all three.

http://item.mobileweb.ebay.com/viewitem?itemId=270523309766&cmd=VIDESC&title=Description&index=1&nav=SEARCH&nid=08266892043 
(power supply repair rebuild kit)

http://item.mobileweb.ebay.com/viewitem?itemId=270523835109&index=2&nav=SEARCH&nid=12741249476
(TKC Board repair rebuild kit)

http://item.mobileweb.ebay.com/viewitem?itemId=280565761904&index=0&nav=SEARCH&nid=40276855574
(TSB1 + TSB2 Board rebuild kit)

Tommy
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