Here is what I do......
I attempt to play the teams that lose out on Halladay against each other and get the most value that I can for Harang. Right now the best deal that I have seen proposed has been the Yankees deal; Aaron Harang and Chris Dickerson/Drew Stubbs to New York for Phillip Hughes, Miguel Cabrera, and Jesus Montero.
I then look to deal one of the relievers of Weathers or Rhodes. I would attempt to package them with Arroyo and look at either the Dodgers or the Angels. I would still look at getting SS Brandon Wood from the Angels; Bronson Arroyo and David Weathers to the Angels for Brandon Wood and Sean O'Sullivan.
I also consider kicking the tires on a Francisco Cordero deal only because Hughes was obtained from the Yankees. It appears as though he has settled in nicely as a setup guy, according to Yankees' fans. Not sure what kind of return Cordero could get but I would think that he has some trade value right now.
This leaves the team after the trades like this.
C - Ryan Hanigan
1B - Joey Votto
2B - Brandon Phillips
SS - Brandon Wood
3B - Edwin Encarnacion
LF - Melky Cabrera
CF - Willy Taveras/Chris Dickerson
RF - Laynce Nix/Jonny Gomes/Jay Bruce when he is back from the DL
SP - Edinson Volquez
SP - Johnny Cueto
SP - Homer Bailey
SP - Micah Owings
SP - Matt Maloney/Travis Wood
Bullpen then consists of Masset, Hughes, Herrera, Fisher, Roenicke, Burton, and Cordero if he is not traded. I think this can make quite a team, a good balance of left and right-handed hitters. What would everyone else do?