Yet another hot pixel question.

[deadshot]

Would anyonyone out there know whether the CMOS sensor used in the D90 would be better than the D40Xs CCD sensor as regards hot pixels, as despite Nikon replacing my sensor a few months ago to get rid of my hot pixels, I now have about a dozen. I am thinking of upgrading and after spending anhour getting rid of H/Ps in Photoshop I am feeling a bit fed up, it would be nice if the D90 stayed cleaner, it would make it very tempting.