Found a great site that dedicates itself to finding and reviewing sites that help travelers.
http://web20travel.blogspot.com/

You can go out and search for places and web tools, but isn’t it so much easier when people do the leg work for you. Plus the web can be very confusing and tangled (if you will) a lot of the time.
Plus sometimes you just don’t know what you’re looking for.

As I begin to prepare a 5000 mile trip to about 12 national parks (which means lots of podcasts BTW) I will let you in on interesting tools and sites that I come accross.
First up is a good itenerary tool or website or calender that can help me organize myself a little more.
Here’s Web2.0Travels results on the subject

They list : TripIt.com …

Most travel sites focus on getting you a hotel or a flight and the others seem to review the other things you can spend money on. Check out that blog for some of them. But for now I’m trying to look for the other kinds of travel websites… the kinds of interesting ideas that we didn’t know we needed until we found them.

Perhaps you enjoy the sluthing… well here’s what seems to be a pretty comprehensive list of travel related websites: It’s on Hubpages.com