BlogoLife is a simple HTML5 and CSS3 theme for personal blogging that supports post formats, and several customization options.
Brightpage is a fixed-width right-sidebar theme with a featured images slides.
Farewell is a simple two-column, fixed-width, blog style template.
Grace is soft, subtle, and simple in an almost totally monochromatic color schreme except for the odd touch of deep plum for title and hovered links.