bill - 12:55 am on Jan 23, 2009 (gmt 0)

Well, Baidu is your main SE in China. Google would be #2. You could probably work your strategy around that. Given that Baidu works primarily with Simplified Chinese you could use robots.txt to block your Traditional Chinese site from Baiduspider [baidu.com]. Then with Google you could use the Webmaster Tools to set the region for both sites. That's just one suggestion...