Oh, and the latest toy:

Its an 89 KX125. I'd have prefered an 88 model with the RWU forks, but beggars are not choosers and all that...
http://s46.photobucket.com/albums/f128/annaandnathan/Bikestuff/KX125-89/Bike was $335 on Epay. As pictured, it had received/is about to receive:
New rear sprocket - $30 (Epay).
New chain - $60 (lucky score from local bike shop).
New tyres - $0 (won them at Rockley Vinduro).
Scraping plastics and making them look less bad - $0 (thanks Jason for the plastic polish).
Better handlebars - $0 (in the shed).
New grips - $15 (local bike shop).
New clutch lever - $15 (local bike shop).
New killswitch - $7 (Ballards).
KDX RHS side-cover - $0 (thanks Yumastepside).
New clutch cable - $5 (lucky score from local bike shop).
It needs:
A new piston and rebore (has been sleeved with an iron liner in the past).
One of the power-valve drums.
Front sprocket (I bought two fronts off Epay, only to discover that the splines changed between 1989 and 2004...)
Swing arm bearings. These are ~$200 in Australia, but ~US$35 + postage from the USA!
Shock rebuild.
I also want to put a proper seat cover, and fork protectors onto it.
Am hoping for the whole thing to be a clean, race-ready bike for ~$1000 all-up. Even if I'd paid full retail on everything, I'd still be looking at <$1500.
In contrast, my 'serious' pre-75 project already owes me well over $3k and will take another $2k to finish to the standard I want (admittedly better than I want for his KX).
Even my 'not very serious' MX250A racebike owes me a lot more than $1k.