For its part, the Romney campaign released a Virginia-focused "didn't build that" web ad that also references the misleading "it worked" rhetoric. And the following TV ad from Romney suggests that Obama doesn't care about Florida's economy (the scope and size of the ad buy is unknown):

NBC's First Read has a solid rundown of ad spending so far:

While it’s technically correct that the Obama campaign is outspending the Romney campaign in TV advertising in the battleground states, you can’t say the same thing when adding all the outside groups.