URL loading library?

I was contemplating finally rewriting the HTTP code in Emacs/W3 in C. Does anybody have ideas for what HTTP library to use? I'd prefer not having to write it myself. The `libghttp' stuff from gnome looks like it could be useful. It can do asynch fetches, etc. Another alternative would be to use the W3C libwww, but I never really had good experiences with that back in my Spry days (but that was more than 4 years ago). There is code to glue it into the gtk event mechanism at http://cvs.gnome.org/lxr/source/gnorpm/tests/glibwww.c that could be fairly easily adapted to the XEmacs event mechanism. Alternatively, we could ask hrvoje to let us use the code from wget, but I don't know if that allows for asynch fetches or not. Suggestions anyone? -Bill P.