Hi Anubis, we only recently moved here and a lot of the book forums are still a little empty. They shall fill as time goes by!
I remember a lot of board members mentioning Small Gods as one of their favourites, so you're not alone with your opinion.
Although I have an uncurable weakness for the Watch Series as a whole, Small Gods is definitely one of the best stand-alones! Its definitely on my re-read-list.