On my searches i found a couple of interesting 3D modellers if anyone is interested..

ShapeShop: A Sketch based modeling tool using BlobTrees (Similar to Metaballs)
http://www.unknownroad.com/shapeshop/index.html

MoI 3D: A freeform tool, designed to be easier to use with pen tablets
http://moi3d.com/index.htm

Both are freeware too