Did you read the insider's blog from the writers? Sure enough they went straight for the sparks between David and Burley and left it with a "we shall see if anything happens there". Soon I am going to get really fed up with that scenario. After so many other love interests when they both have availability and an apparent interest in one another and then one goes off on a wild hair and hooks up with a random other-if they ever do get them together it will look a little ridiculous.