Evidence that Obama is pulling ahead in Indiana continues to mount as MSNBC reports today that it's moving the Hoosier State into its growing "toss-up" category:

The most surprising move in our map is Indiana, a state that no one believed was a new battleground -- even when Obama's team was first laying out its 25-30 state strategy. Indiana, in fact, is probably the surprise of the cycle. It's a state that probably is somewhere BETWEEN Lean McCain and Toss-up, but because the state's poll numbers look more like a Toss-up state than a Lean McCain state, we're tipping it into the Toss-up category for now, especially since the RNC has decided to ad the state to its TV buy list.

Following reports of a $100,000 ad buy last week, the Republican National Committee announced over the weekend that it's in fact buying $740,000 worth of airtime in Indiana. Their spots will air over eight days, beginning tomorrow. (H/T Blue Indiana)

MSNBC also moved Florida and North Carolina into the toss-up category today. Under the changing landscape, the Illinois senator's delegate lead over McCain has shifted from slim to significant. That has the MSNBC political team predicting that the election could actually end at midnight this time around:

With the Toss-up list expanding at this point in the campaign, it gives the opportunity for either candidate to end up winning somewhat comfortably in the Electoral College. In the last two elections, the candidates basically split the final Toss-up states in half. Two weeks ago, we appeared to be on a similar trajectory. Today, that doesn't seem to be the case. The one thing the public may have learned about the candidates is that the two have VERY divergent worldviews. There's a bright line between these two candidates; it's not a case where both are trying to blur their views.

Also of note, the FiveThirtyEight simulation engine is currently putting Obama's chances of winning at over 80 percent.