I traipsed to the local Apple Store and lucked on a newly installed 17. As soon as the salesguy put it up for display, I had the honor of being the first to play around with it.

Here's the goods on the MBP 17" power specs.

I forgot to get the unplugged amperage, but if Apple's claim of up to 5.5 hours is true, it should be 1,247 mA (6859/5.5).

Before I managed to get the goods on the battery though, the salesguy descended and stopped me