[RichardoX]

Good thing about modeling programs such as Milkshape, 3ds Max, Maya is that they support many formats. I personally bought milkshape because if its ability to apply joints/bones to specific vertexes and not worry about enveloping for muscle formation/stretching of the skin. It's not as powerful as 3ds max but its simplicity can make the life of a modeler heaven. :p Especially when you aren't particularly worried about detail as you would in a new-age game.