To follow up a little late on this thread -
Comcast is the absolute worst... not only for their service, but for not showing Nationals games to their fans in the DC area.
Terrible!
[rant over]
"...but for not showing Nationals games to their fans in the DC area."
Don't recall the whole story about this but I believe this is the fault of the team's owner (De Bartolo??), and not Comcast.