I would love to switch to XeTeX to make use of my professional Adobe fonts that were shipped with Creative Suite 6.
I use MikTeX on a Win 8 machine, and TeXniXcenter + XeTeX.
However, kerning seems to an issue, especially with special characters, in my case German Umlaute.
Spacing seems wrong, at least for characters W+ü. Actually, on a sidenote, I don't understand why -- does not give me a long dash...
Here is my MWE (UTF8) and a screenshot showing the wrong kerning:
\documentclass{scrartcl}
\usepackage{fontspec}
\setmainfont{Minion Pro}
\usepackage{listings}
\begin{document}
Wäre -- Könnte -- Wüste
\end{document}

Mapping= tex-textto the font specification to enable the translation of en- and emdashes. Furthermore, it seems that only some glyphs likeäandàshow this bad kerning, whileáand (normal)awork fine. – hakaze Feb 13 '13 at 16:18