This was a tough one between the Liberals and the NDP, with Martin getting out there and really hammering Harper and Layton getting out and really hammering Martin. However I think Layton finally doing something in this campaign is a special enough occurrence to warrant the nod.
Liberals 10 (Days 1,3,5,6,10,11,15,16,17,18)
Conservatives 7 (Days 2,4,7,9,12,13,14)
NDP 2 (Days 8,19)