The Best Buy one is not easy to find, but here are the differences, some yet to be mentioned. They're both great, but for different people. You decide which features are important.
Best Buy's has a smaller AMD processor, but yields longer battery life, 70gb LESS storage, 2GB MORE RAM, HDMI output, one MORE USB port, a much nicer island-style keyboard, and a fingerprint scanner.
Inversely, Woot's has a larger Intel processor, but less battery life, 70gb MORE storage, 2GB LESS RAM (easily upgradeable), no HDMI output, one LESS USB port, a traditional, but less intuitive keyboard, and no mention of a fingerprint scanner (although it appears to have one in the picture).