Don't you just love that all the responses you are getting here are positive?
Don't let any naysayer get you down. If you want to stop smoking completely, some day you will. If not, savor your accomplishments.
There is plenty of evidence of what they call a "dose-response" relationship. Fewer cigarettes is less harmful than more. And sometimes fewer is the best we can do or the best that we want to do at the time.