I haven't watched either speech, being at work and all. Regardless, I do appreciate Kerry not dragging this out. There are ~150k provisional ballots that still need to be dealt with in Ohio, and while that covers the spread, it's very unlikely that Kerry would win by those. Only a handful are from the counties with large urban centers, the areas that swung to him last night.
Kerry not contesting the election is important, it adds legitimacy to our election process abroad; maybe Bush, in the eyes of other world leaders, will have a bit more standing. It also helps the Democrats in general, they won't look like they're morphing into a party that's so desperate for power that they'll contest every election that they lose. That would set a dangerous precedent for anyone running to do that, and we've danced around the bill of rights enough to not have to throw our entire process into the shredder along with it.
I pray (obviously figuratively, I'm agnostic beyond measure) that Bush's second term won't be nearly as wreckless as his first. He either needs to stop spending, or raise taxes. He simply can't have both.
