I just bought a Kraus sink and it meets my standards. A vessel sink, it sits level on the vanity, no wobbling at all. The drain hole looked very smooth, and the drain mechanism sealed tightly. The glazing was even, no skips or pops. I set it in place so the logo doesn't show. I am very pleased with it.
Edited to add:
It drains well, even though the sink bottom is fairly flat.

This post was edited by mabeldingeldine on Sun, Feb 24, 13 at 14:34

I haven't found country of manufacture to correlate with quality at all.

I've seen both cheap junk and great stuff that was made in the same country, be it China, Italy, USA, etc.