Since you are talking about HD cameras which are new, I've for one have not had a chance to even look at one.
Since you didn't supply links to them, it takes time. John
After a week of researching re an upgrade from a Sony TRV 900, I've rejected both the Panasonic GS 400 (not enough of an upgrade) and the Sony HC1 (too many cost cuts of important functions in order to make this HD camcorder affordable for consumers).
I'll check out the HC1 at a Sony store but doubt that it will be the right camcorder for me because of doubts about slow zoom control and the electronic stabilization, and the absence of an onboard mount for an external mike.
So now I'm looking at the Sony 2100 as one of you guys suggested, although it seems too large for easy travel. Have any of you used it as a camcorder while travelling? How heavy does it feel? I'm also looking at the Panasonic AG-DVC30, which is significantly lighter than the 2100 and a lot cheaper. And I'm also thinking about whether I can afford the Sony FX1 HD camcorder, which is also probably too heavy for easy travel use.
Any experiences, advice, random wild thoughts appreciated.