Mr. Eaves!
Emigre just released a sans-serif companion (or should I say husband? brother?) font to Mrs. Eaves, which is one of my most frequently used typefaces. The new addition includes a Mr. Eaves Sans and a Mr. Eaves modern, both designed by Zuzana Licko, who created the original Mrs.
More info & pricing here: http://www.emigre.com/EF.php?fid=213