I got latex2html to install on the latest cygwin, however to get the configure to pass I had to alter the configure to recognize cygwin as a UNIX. via mail-archive.com Using this patch I was able to properly configure and install latex2html under cygwin in Windows 7.
Today I had to install AucTeX to use on my Win7/64 machine under EmacsW32. I found the basic instructions here: http://www.sturmnet.org/blog/2007/09/01/installing-auctex-in-emacsw32, but I had to modify them a bit (in particular, I am using tetex installed from cygwin instead of MiKTeX). Here are the commands I used: