The Forex issue of course comes into play. Obviously availability and with any previously owned machine the actual condition. Don't want to hijack a great build thread... :-)
Want to see those new valve covers yesterday!! :=)
The USA test market for cell phones was Chicago, I had one in 1978, it had two antennas mounted on top of the trunk, and a box inside the trunk the size of a small suitcase. Every call over a minute was dropped three times or more.