Altis fx is clean and simple. XHTML/CSS code is optimized and search engine friendly. Sidebar is fixed at the top of the screen (when window height is less than sidebar height).
AppleZoomExtended is 1000px wide with 2 columns, 9 widget areas, and about 40 theme options. The sidebar is designed for 300Px Adsense Ads.
Retro Stripes is a blog-style layout with a portfolio and contact form. Best for bloggers, designers and photographers.
zeeCompany is a simple and clean 2 column theme with great features: Colorpicker, Content Slider, Shortcodes, Dropdown Navigation, Costum Widgets (Tabs, Twitter), and more.