JV> Unfortunately, the download links still point to rubycentral.com.

JV> Are the installers mirrored anywhere?

JV> If anyone has copies of them, particularly 1.7.3, I'd be happy to give 
JV> them a temporary home on my web page at path.berkeley.edu. Please mail 
JV> me off-list.

Can you try: http://165.193.140.17/downloads/files/  I don't see
1.7.3. but I do see 1.7.2 and 1.7.4 ...

regards,
-joe