Now that Your playing has been praised ad gloriae, I'm gonna be the bad guy and suggest a slower tempi until you feel a greater control over the piece. The most rewarding (in all meanings) way of practicing is study melody, melody, melody, and then some melody, and then some technique.
This way you're automagically keeping a more steady beat and natural phrasings, letting your hands get dictated while your head and heart is concerned with the music. Often we get wound up in making for the best technique while just concentrating on the music would do a great part of that job for us.
"Concentrate on the music, and the rest will follow" -(cant remember who said this