always make me nervous when I click a link (such as the link to the sudo site) that windows live blocks!  Any ideas as to how this is different then runas?

This a good wrap of how it works:

[snip]Sudo for Windows (sudowin) allows authorized users to launch processes with elevated privileges using their own passphrase. Unlike the runas command, Sudo for Windows preserves the user's profile and ownership of created objects.[/snip]

If you want it from the source, check out this link:

http://sourceforge.net/projects/sudowin/