Full user review
"Works well when pasting text from other apps"
Handles 2 byte characters (eg Chinese) well as long as you paste from another app. It's free.
Working with OS 10.6 the File menu didn't always function properly, so that I had to quit and relaunch. Typing two byte characters and using the style drop down menu produces erratic results.
I normally use Pagespinner and shall continue to do so. However Nvu solved a problem for me as Pagespinner wouldn't accept UTF-8 (or UTF-16 or Big5) double byte text copied from another app and Nvu would.
However if you want to type Chinese directly into the page, use another editor. (Nvu did work but I had to type in Chinese, then switch input to English and only then format the page.)