Quetiapine
"I have Bipolar type II and have been taking Seroquel for the past two years.  It has helped a great deal by stabilizing my moods and providing me with a good night's sleep every night, no matter what.  Each morning, I wake up feeling refreshed and in control of my day.  Used to take 300mg a day, but now I only need 100mg, or 150-200mg on bad days.  This was the only medicine that did not cause tremors or restless legs. I've been on Lamictal and Geodon which all caused tremors.  It got rid of the angry hypomanic episodes.  The 300mg caused only minimal weight gain (I gained more weight when I was on Lithium), and extra drowsiness in the mornings."