[josemariaruiz]

"Get Xorg + gnome/kde/xfce (xfce should work, kde is missing working dbus (due to local socket auth and bugs in select() cornercases)) + some webbrowser working (iceweasel 9 works, though not https)."

From GNU/Hurd TODO list :)

[pyre]

  bugs in select() cornercases

is the thing that stands out to me. Seems like I would want select() to be pretty solid to consider this a viable alternative.