Howard, good has he has been, is too much risk I think. Horford seems the best fit of the names being mentioned, even if he isn't the best player.
I think with the glut of players we have and the number of picks, DA may want to make a move to ensure he doesn't end up having to pay way above or give assets away after the season.
In terms of enthusiasm, I am probably more enthused by the players we have than most of the trade prospects mentioned. No matter how much I like them though, you know that when it comes to the run home and the playoffs, a stronger team can only help.