No you don't. It's fucking torture waiting for the next book..and it's been years.
Indeed, Amazon have A Dance with Dragons listed to be released in October, I so hope they haven't just made that up.
@ Josh:
If I liked the whole concept of tattoos, I'd say that is exceptionally badass. Although I'd personally go for the Targaryen, or a mix of both Houses.
Mmm three headed dragon would look pretty badass... Well I've still got my left arm