Joe,
I wish I was going along with you. I love those kind of trips. I have done it several times.
Besides having a cupholder, cruise control and a
remote trunk lock,
I also have one of those portable misting tanks. I got it at a Wal-Mart in Phoenix, When it's really hot you can lay that thing on the trans tunnel. It has a small hose with a misting nozzle on the end. Spray yourself with it ever so often. It really helps.
Hersh