Quinnipiac University is out with a set of new pre-debate and post-debate surveys in Florida, Ohio and Pennsylvania showing Barack Obama expanding his leads and now at or above the 50% mark in all three states:

Florida
Pre-Debate (Sept 22-26, 1,161 LV, MoE 2.9%): Obama 49, McCain 43
Post-Debate (Sept 27-29, 836 LV, MoE 3.4%): Obama 51, McCain 43

Ohio
Pre-Debate (Sept 22-26, 1,203 LV, MoE 2.8%): Obama 49, McCain 42
Post-Debate (Sept 27-29, 825 LV, MoE 3.4%): Obama 50, McCain 42

Pennsylvania
Pre-Debate (Sept 22-26, 1,138 LV, MoE 2.9%): Obama 49, McCain 43
Post-Debate (Sept 27-29, 832 LV, MoE 3.4%): Obama 54, McCain 39

Using the post-debate likely voter numbers, Obama now leads in the RCP Averages as follows:

Florida: Obama +1.4
Ohio: Obama +2.0
Pennsylvania: Obama +7.7