I've recently switched from kde to the gtk-based xfce4 because I wanted more free memory. It is stable, fast and still looks good. If you want to give it a try, check out http://xfce.org. The only drawback I've noticed personally is the (imo) odd file manager which can't be compared to Konqueror or Nautilus in functionality. You can still use one of these though.
You could use PearPC (http://pearpc.sourceforge.net/) for that. A friend of mine successfully finished his Mac OS X Installation just a few days ago and reported 'usable' speeds, whatever this means.
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I've recently switched from kde to the gtk-based xfce4 because I wanted more free memory. It is stable, fast and still looks good. If you want to give it a try, check out http://xfce.org. The only drawback I've noticed personally is the (imo) odd file manager which can't be compared to Konqueror or Nautilus in functionality. You can still use one of these though.
You could use PearPC (http://pearpc.sourceforge.net/) for that. A friend of mine successfully finished his Mac OS X Installation just a few days ago and reported 'usable' speeds, whatever this means.