You can get a Petronix Ignitor kit (to convert a L6 points style dizzy) from US eBay for about $120-$130 landed.
Why people bother with flogged-out 280ZX unit's is beond me...
http://cgi.ebay.com/ebaymotors/pertronix-1761-Ignitor-Datsun-240Z-6-Cylinder_W0QQcmdZViewItemQQhashZitem4ce4fa825fQQitemZ330259137119QQptZMotorsQ5fCarQ5fTruckQ5fPartsQ5fAccessories