The last time I drove that drive was in 2002 when I was moving from Tucson to Philadelphia. I chose to head up to Utah and catch the 80 cross country to avoid the long drive through Texas. What I remember most about Nebraska were lots and lots of corn fields and not a whole lot else. Wyoming and Colorado are beautiful once you get past the plains and into the mountains.
I didn't stop a whole lot so I'm sure I missed some cool stuff, but I only had five days between jobs and had to be in Philly!
!BBH