I can't say that I have, although I don't think there is anything inherently wrong with Camden. My opinion is this: take advantage of the extremes, whether it be RFK or The Cell. As you move closer to the middle, you surrender ballpark advantages to your opponents, which gives them an edge you are not benefiting from when you are in your home field.
If there is a disadvantage to Camden, this is probably the reason. The same goes for places like Minute Maid and Yankee Stadium, and also a few others.