How are you with tasting aspartame? Some people can't taste it, some people get used to it. Some people actually like it.
I drink diet tonic when I make gin and tonics for myself, but other than that, I am not fond of it. I can drink diet light-colored sodas (like Sprite and Mountain Dew) because they're all my dad has at his house and I kindof got used to them, but I don't love them. Generally given a choice, though (with the exception for tonic), no diet for me.