I know that many people are asking about the situation in Thailand with the current Martial Law in place, however, as far as I am aware nothing has changed on the islands of Thailand and in fact, many have stated that Bangkok is pretty much 'normal' since Martial Law was invoked.
If you are booked to go to Thailand any time soon (as I am) or thinking of booking in the future, please read the pinned note at the top of the general Thailand Forum for up to date information regarding the situation. Also, Richard Barrow's Twitter is a good place to look for current information.
Here is the link to the current pinned note in the Thailand Forum:
In the end, nobody can make the decision for you as to whether you should go or not.