At Gizmodo, Brian Lam says he "knows" the iPhone will be announced on Monday. In its entirety, the post says:

I guarantee it. It isn't what I expected at all. And I've already said too much

Just the kind of tease to guarantee traffic galore. Om says it's BS:

Just pointing out that the teaser doesn’t mention Apple. And no, Steve Jobs & Co. are not crazy to release what could be a hot device mere nine days before Christmas. In other words don’t expect an iPhone from Apple. In fact, I am confident enough to bet another 10-pounds on it.

Actually, here are some detailed rumors from Doug Berger at Gadgetell:

Morgan Stanley analyst Rebecca Runkle has added to the mess of rumors by revealing more pricing possibilities. She says the 4GB and 8GB models of the new Apple Phone will cost $599 and $649 respectively and will be wider than the iPod nano, but narrower than the 5G iPod. She also added it will have a 3.5 inch screen and come in multiple colors like the new nano. Her prediction is it will launch in the first half of 2007.

Personally if I were to shell out hundreds for a phone (and I've never had a phone that didn't come free from the cellphone company), I'd go for this one (found on iliketotallyloveit: