I originally had Ubuntu 12.10, but recently installed xubuntu-desktop, following the guides from this post.
Everything is snappy, except for the Application Finder: it takes at least 5 seconds to open up. I don't know if this is normal, but it is the only thing that bugs me so far. Without this annoyance, I'd say xubuntu is perfect. So, does this happen to you? Does anyone know how to fix this?