need one.
no more than 2 bills
quick release preferred
handles at least 4kg
tension would be nice but not critical (no long long focal lengths here)
bubble level would be nice too...but can live without

I hve a giottos MH-1000, well made, handles 20+ lbs, $110. No level, has tension adj.
Again well made.
Check out B&H Photo. Easy to nave site and great equip descriptions. Many choices for what you want.
mark.

need one.
no more than 2 bills
quick release preferred
handles at least 4kg
tension would be nice but not critical (no long long focal lengths here)
bubble level would be nice too...but can live without
Check out Giottos legs 9180. Tall tripod with benbo like centre coloumn.
$145 @ B&H Photo. The MH1000 ball head $110 does not have level or quick release.But it does have tension and pan base. Together they weigh about 3 KG and support over 20 lbs.

thanks for your input
I do not need to support that much.
something that supports less (and usually lighter in that case) is better

supporting legs already bought
Gitzo carbon fibre 4.5 KG max i think

A bit over $200, but....... http://www.kirkphoto.com/guarantee.html

http://www.kirkphoto.com/ballheadbh3.html