I've completed the functionality of my proposed upgrade to Network.URI, though there are still a couple of issues that need to be resolved with the ongoing RFC2396bis work (none critical to the general functionality). This is still work-in-progress, but I'm airing it now to see if folks think it's an acceptable upgrade to the existing Network.URI module.
Sorry for not replying on this topic sooner. I've taken a look at your replacement URI, and it looks great. The Haddock markup needs a little cleanup, but the interface looks fine. Since it's mostly backwards compatible, there's no issue with upgrading it in place. (well, there's one small issue: it introduces a dependency from the network package on the parsec package, but that's not a big deal). We'll arrange for CVS access so you can commit your new version to the repository. Cheers, Simon