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I am still using MetaFont typefaces. Will too LuaTeX support MetaFont as PdfTeX does?

Yes (as Hans and Martin said already). But you really should consider switching to outline fonts.

I am looking for a good way to convert these fonts to type1, but textrace and mftrace don't run under windows and the results of mf2pt1 are not (yet) ok. I am working on this. Has anybody ever tried to rewrite metafont to produce type1 fonts? Wolfgang