Missouri voters to whom I've talked really, really like the Palin pick, that probably had more impact than any other single factor in moving it into the solidly-Red column.
As far as NY goes, the Conservative opposition to the Dems is divided between the GOP and the Conservative Party, which is a bit to the right of the painfully-Centrist NY GOP on most Conservative issue, consequently the GOP has some trouble getting an effective turnout for State-wide elections. The Dems do obvioulsy dominate the city machines, especially NYC, but the State's at-large electorate is not as hopelessly-Dem as most people think.