My bulb shows 2,370 hours and although the image is beginning to dull slightly, it's still very watchable.
I'm not sure whether to replace the bulb or replace the whole projector - I'm currently looking at the new Panny PT-AE2000. But then I would, of course, have to replace the DVD player too to get the best out of it.
Has anyone any experience of upscaling from a DVD player to a projector?