Agreed. It's definitely my favourite. Apple have put a lot of hard work into it and it really does show. Just so many awesome features packed into a tiny product.
There are others out there which are designed for more specific markets that still do a good job. For example, if you want to get something for the younger ones (maybe 5 and below) the Cosmonaut stylus is pretty cool. I've seen some good reviews on it and its only $15 ± if you are happy not getting it straight from Amazon