I have never read Titan books.
One of the reasons being that I have concentrated on the DS9R books. Nearly 30 books in a year - not bad.
Problem is, that I am not a great fan of TNG. Always found the characters to be a little too perfect.
DS9 is definitely more fun - especially Ezri(!). I know I am in the minority but as far as I am concerned Jadzia is not even in the same league.