There was a user question at comp.lang.python about how to setup PyScripter in dark colours.
In PyScripter try View, Themes, EOS
Further dark theme is available at http://www.mytreedb.com/downloads/m-subcat/a-skins.html(you need to download the archive and place the skin file at %APPDATA%/pyscripter/skins)
You can find dark highlighters at http://code.google.com/p/pyscripter/wiki/Customization
(download and import into PyScripter via View, Options, Import/Export)
Finally you can create your own skin using the skin editor at
Here is a sample of what you can get: