There are other sweeteners that can give you a more healthy (and less guilty?) drink than adding sugar. Splenda doesn't have the aftertaste in hot drinks like sweet n low does. Stay away from equal (the stuff in the blue packet makes you "blue" (depresses you.)
I think good icecream is healthier than any fake creamer etc too.
I have mixed my Secure chocolate shake mix with coffee

Hadn't thought about adding whipped topping!