According to this US Dollar ETF blog post, it is getting very close. Many signs point to an inflection point because the US Dollar has to be the most hated currency available to trade.
Remember, no matter what your opinion is you need market action that at least starts to corroborate with your fundamental thesis before you can have any confidence that your timing is right. You can think whatever you want but until the market starts to jive with what you are saying, you will be preaching to the choir.