In an effor to shave off those ever so precious last few grams of equpiment weight (just do not look at the 20+ pounds on my "spare tire"), here is my latest creation:
http://www.dlsphoto.net/Monopod_Pano_Head/top.jpg http://www.dlsphoto.net/Monopod_Pano_Head/bottom.jpg
Note the shaved monopod head. 5 degree tilt. A hand held Nadir patch shot is more than enough to cover what little bit of this pano head is left in the picture.

