Yes, however, maybe this is just me, but Lion wrecked a lot of standard Linux stuff running in X11 (for example, the selector tool in GIMP, it just doesn't work

Yes, however, maybe this is just me, but Lion wrecked a lot of standard Linux stuff running in X11 (for example, the selector tool in GIMP, it just doesn't work) and under this setup I don't see how you are getting around those issues unless you plan to run OSX Snow Leopard...