By 2014 all non-exempt Americans will have to have health insurance or will face a tax penalty. If you already have health insurance you can keep it. For many low to middle income Americans insurance will become more affordable, however those making above 400% of the federal poverty line may find themselves paying more. Regardless of what you pay we all enjoy the new rights and protections offered by Obamacare.
For updated information please go Obama Carefacts