While I am quite a fan of LaTeX I often had – when looking at LaTeX created documents – the feeling of the general look to be too “latexy”. Actually similar to the feeling MS Office 2003 gave with Arial and Office 2007 gives with the omnipresent use of Calibri.
So – if you aren’t a die-hard Serif-only evangelist I can recommend the Kepler fonts packaged in kpfonts
\usepackage[largesmallcaps,nofligatures]{kpfonts}
\renewcommand*\familydefault{\sfdefault}
\usepackage{sectsty}
\allsectionsfont{\textothersc}
Result:
