There is a way to connect the DC modem (or serial maybe) to a modem on a broadband connected PC, I did it way back (Windows 98 y0) for Phantasy Star. Needs some software magic which escapes me now
There is also an easy SD card mod, which we can't talk about here
	
		
			
		
		
	
				
			There is also an easy SD card mod, which we can't talk about here

	
 



 and a Wii don't help 