thx for the feedback .........
here are the 2 FSR's i won recently off ebay,

http://cgi.ebay.com/VINTAGE-NIB-ORIG...QQcmdZViewItem

http://cgi.ebay.com/OS-FSR-61-Engine...QQcmdZViewItem

i found most of the parts needed to completly rebuild the ABC version, and the rings for the Ringed version are also still available, as are the rods, bearings, pistion pins etc.....

further reading on here has me looking at the UFO as well.
next item on the list is a good set of retracts.