Ok another link I stole from Digg. This link leads to the most incredibly fun program ever, smoothteddy. Watch the demonstration video and then try the applet. They are distributing this work of genius for free, God Bless them. :]
I just wanna know...what took so long? Why has 3d always been about creating and editing every single point and line and polygon?
Drawing on a computer should have always been this way. It's genius and I guarantee you will have fun with this and be able to create something vaguely resembling what you wanted (as long as its curvy and topologically sound).