Sorry, I didn't get to this on Friday. Still trending the same way I'm afraid:
The breakdown of the "toss up" states: PA, OH, FL, MI, MN, WI, VA, NV, CO, NM, IN, NH and adding for the first time MO and NC to the "toss up" list.
Switching from McCain to Obama: OH, FL, VA
Switching from Obama to McCain: none
#3 10/03 Obama 273 McCain 265
#2 9/26 McCain 279 Obama 259
#1 9/17 McCain 315 Obama 223