It would be cool to have an intellivision emu don't you think?  The good news is that the Intellivision had a 16-way control pad so no "case" configurations for the GP2X stick, just use straight 16-way 
 
http://bliss.kylesblog.com/content/view/36/48/
				
			http://bliss.kylesblog.com/content/view/36/48/
	