If you're seeking a compact convertible Windows tablet for business use, there's plenty choice -- including Lenovo's ThinkPad Helix 2 and Toshiba's Portégé Z20t. You might also consider ASUS's Transformer Book series, including the Transformer Book T300 Chi that we recently reviewed.
HP Elite x2 1011 G1 review at ZDNet
HP Elite x2 1011 G1 review at ZDNet