Digital BW, The Print

I have a C84 with EZ inks. I've been away from printing for about
several months. I'm wondering if I should upgrade to the C86? 
	1 ) Is there any noticeable difference between the two printers?
	2) Can I use the EZ ink carts I purchased for the C84 in the C86?

	Cheers,
	George Le Masurier