Darkened PTSerif or GentiumBkBas?

[mialwe]

Hello,

currently I'm looking for a slightly darkened version of the PT Serif and Gentium Book Basic fonts.

I tried to modify both fonts using Fontforge/Debian Linux several times now without any success - the fonts always showed up as some kind of "fixed-weight-bold" on my PW2 no matter what settings I used in Fontforge, tried various settings for Fontforges Style->Change weight and/or Glyph transformations.

I'd really appreciate if somebody could send me a slightly darkened version of those two fonts or maybe point me in the right direction for using Fontforge in combination with a PW2.