I realize that Davies is a very good adapter, but I wish the producers had chosen a woman to write the screenplay. Davies, as he admits in the commentary that accompanies the film on DVD, wanted particularly to emphasis the more scatological bits in the book. I certainly enjoyed those, on film as in the book. But Davies missed a half-dozen moments that are so excruciatingly, painfully tender which he could have incorporated if his sensibility were more feminine.
I also would take issue with his use of the book's primary symbol, the rose.
As the screenplay was plotted by Davies, the denouement was inevitable and appropriate. But I really think that author Waters' final nod to the rose symbol was much more interesting. And I preferred way the novel let Nan "come of age" than the way Davies chose.
One quick comment about the four actors who essay the primary roles. They are all wonderfully talented -- well, except for the singing and dancing, perhaps -- and, moreover, their physical presences are so much what the mind's eye sees when reading the novel before seeing the film. I thought they were all terrific.
I recommend that any lesbian and anyone who loves good fiction, add BOTH the book and the DVD of TIPPING THE VELVET to their bookshelves.