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I have been in the area for 8 years. Happy to answer questions but I'm more of a budget/adventure.
Elena -- Bangkok has just been named the world's number one top city by readers of Travel + Leisure magazine, in the annual 'best' list issue (September). That recognition, plus the effort launched by the Thai government and the gov't-related Tourism Authority of Thailand, should go a long way to renew confidence in visiting.
I was in Thailand in March, just before the demonstrations got out of control. Let's please remember that these demonstrations were limited to Bangkok. There was no 'situation' in any other part of the country at any time. The Thais are warm and welcoming people. I would go back to Thailand in a heartbeat.