The Giottos will do this for you. the center column is removable, which then exposes a three way head into which you re-insert the center column. Then with the legs being adjustable to three different positions allowing close proximity to the ground. Have a look here, where you can see all the various positions obtainable with this tripod
http://www.giottos.com/eng_public/frameset.htm.
I use the Innovator Tripod MT 9170, you can also buy a similar one made from carbon fibre