On Tue, 29 May 2007 22:29:29 -0700, charlieb
wrote:

So my question:
Will these things support 200+ pounds if done as described
above? I REALLY don't want this thing to come off the wall
- figuratively and literally.

I have used 3/4 inch plywood for "french cleats" using 3" drywall
screws with a fender washer. Putting the screws into studs I think you
will be ok, just span two studs minimum.

Mark