4000 clumps of grass....(base sphere set to 'hidden') sphere rotated 90 degrees between each brush hit. Camera and object rotation starting to be slower, but the render only took ~3 minutes, of which 2/3 was the AA run.  

RosemaryR
---------------------------
"This...this is magnificent!"
"Oh, yeah. Ooooo. Aaaaah. That's how it starts.
Then, later, there's ...running. And....screaming."