Corptheme is a minimalistic theme which comes in four flavors - CorpBlue, CorpRed, CorpGreen & CorpBlack. All four versions are available for download separately without the need of a CSS style switcher integrated into the theme. The drop down menu is also included in this theme which will help you define your pages, sub-pages and sub-sub-pages easily.
Features of this WordPress theme :-
1. Fully XHTML validated code
2. Four color schemes
3. Drop down for Pages and Sub Pages
4. Integrated drop downs for categories & archives
5. Separated Trackbacks and Comments
6. Stylized Comments
7. Professional Layout
8. Light Weighted (minimum images - icons only)