Anything's possible with the aluminum.  I wouldn't use a rattle can paint EVER because it'll probably diminish the value of whatever item you're using.  For the inexperienced folks, take the parts to a plating shop.  Ask them to polish the hell out of it. 

Exotic colored automotive paints like the chrome effects kind are entirely too expensive.  You'd be better off getting the aluminum chromed.  Aluminum is also expensive to chrome but at least it holds nicer than the overpriced paint would.