Finding early type original tools is a pretty tough order. Individual tools show up on eBay every once an a while. Keep an eye on the forum classified ads, you might get lucky.
Post in the WTB section, if you haven't already. I had luck there getting my SAT for a Pre 29, 5 screw. Also check this blog out. One of the many features this forum offers is the expert commentary. http://smith-wessonforum.com/blog.php?b=16