Check out www.kaidan.com
 
They have panorama heads for tripods.
 
Scott.

Try for example http://www.manfrotto.com/ 

Regards 

Jacek

I just bought a Bogen head ($311.99 USD, 
http://www.cameraworld.com/adtemplate.asp?invky=59136).  It is large 
and heavy but fairly versatile. It just arrived yesterday in the 
mail, so I have only shot one panorama with it so far. That one shot 
came out quite well. It has a leveling plate, an adjustable click 
stop ring, and an adjustable head which can support the camera in 
either landscape or portrait. When I have some more experience, I 
send out a complete review.

Kaidan  (http://www.kaidan.com/products/pano-prods.html) has a series 
which are lighter weight, but cost somewhat more to get the same 
feature set.  If you want to buy a bracket for a specific camera, or 
don't care about leveling plate or the click stop ring, you can get 
something that will come in under the $300.

If you want to go really cheap and light there is a suggestion here: 
http://www.outsidethelines.com/MakeHW.html#Monopod%20Panhead
I have tried this technique with the Bogen L-bracket, but the steel 
bracket makes the compass behave erratically. To make this work, 
build your own bracket out of aluminum (no iron or steel parts).

Ken.

Hi All,
       I found this head better structure than Kaidan and Manfrotto. It is very light and convenient for most tripod.
http://stereoscopy.com/jasper/panorama.html . It is lighter than Kaidan and Manfrotto and it is cheaper. The person
who make the pano head is very kind. Anyway we got one more choice for pano head.