I pretty much drink it neat. Once in a rare while with ice, or a splash of water. When I am feeling really creative I will try the same pour in a variety of ways. I have added ice, a splash of water, hot water, or just heated up the glass over very hot water...like Brandy I guess. Personally when I have heated it in one way or another the biggest change is in the nose...it really seems to intensify it for me.
But most of the time I like it neat. Just heated up in my hand as I sit back and relax.