HAL is a three column fluid layout, widget ready with a custom header and support for Sweet titles and IBox.
Bluish Cloud is a 2 column wordpress theme design, with the appearance of a blue sky by WP Theme Gallery.
Small Potato has released See You At The Beach and Total Liquidation
GlossyBlue is a theme with high-tech glossy Mac style with Web 2 Mini icons.
Intra Blog is a two column theme based on a template from Template World.
TheTapestry.org has released three themes viz. New Wave, Trust in the Lord and Harvest is Ready.
I have been waiting for the right theme to come along, I am still skinning a K2. I still think K2 is pretty damned amazing and so are some of these themes.