On Wed, 30 Mar 2011 15:10:06 -0700 (PDT), Larry Fishel
wrote:

On Mar 30, 5:41Â*pm, dpb wrote:
....the 200W-er is roughly 4X
the R of the 50W...

Are you sure about that?... (I could be missing something.)
You are not missing anything, Larry.

An usual Nonan is.