check the local hongkong embassy / general consulate warnings and your home embassy / general consulate warnings. you can find them listed on the web. Also keep up on the news, most of the trouble is in the south of Thailand.
US Dept of State :
http://travel.state.gov/travel/cis_p...a_tw_1168.html
British Commonwealth :
http://www.fco.gov.uk/servlet/Front?...=1013618386505
Interestingly enough the US site does not warn about Thailand travel but the British site has posted a current warning.