"Except as provided in this paragraph, the individual health insurance issuer offering such coverage does not enroll any individual in such coverage if the first effective date of coverage is on or after the first day" of the year the legislation becomes law.
Yup... You get to keep it so long as you don't seek to change anything at all, if you do, it is illegal to pick any option that isn't the government option.
Doublespeak title of the provision:
Protecting The Choice To Keep Current Coverage
http://www.ibdeditorials.com/IBDArticles.aspx?id=332548165656854