The product I went to the show most excited to see has to be the BenQ P50. This PocketPC 2003 phone looks to be the industry's best bet at a direct compete for the Treo 650 (which I own and like a lot, but is a bit rough around the edges).
I was really hoping that the P50 would be a home run. It's not.
On the plus side, the phone is very solid. It feels really great in your hand. Nice heft... it feels like a much more durable device than the 650. Beyond that, I was pretty disappointed. This is a phone that will ship in February or March in Taiwan, but the units on display were routinely locking up. The "one hand" navigation is terrible on the phone; you're going to be using the stylus a lot. The keyboard is decent, but is not as good as the revised keyboard on the 650.
Marcus Adolphsson from TreoCentral has written up a much more detailed side by side comparison. If you're interested in such things, I recommend taking a look. On a related note, one of the cool things that happened at the show was that Marcus walked right up me to in the DirectTV booth and said "Hey I see you've got a Treo, you should stop by my site TreoCentral.com." He seems like a very nice guy and it was cool to bump into him at the show.