This is an age old question (which has probably been asked here before), but I'll ask it again.
Personally I go back and forth between a moka (Stovetop, Bialetti) or a longer Aeropress. Mostly black, no sugar nor milk. Pure Arabica beans fits very well for the mocca, but I prefer Blue Java or french roast for a larger cup of coffee. I also work part time at a café, so I make mochas, cappuccinos and lattes (and more) all day long. I love coffee, but it makes me tired of it at times. Luckily there are chai lattes! That or I'll make a dirty chai latte (a shot espresso in a regular).
How do YOU like your coffee, and why?