So you have read
The Demi Gods and Semi Devils (which I think is the english name for Tian Long Ba Bu right?) what do you think of it? Personally I think it's the greatest traditional martial arts novel ever
Well, I'd say you should try read
the Deer and the Cauldron, the novel is much better than the TV series and the movies. Yup being different does not automatically equal to greatness, but in this case it is indeed widely accepted as Jin Yong's best novel (and possibly the best martial artists novel ever), and I now can actually understand why people rate it so highly, although back then I hated it with a passion