Get in touch with slayer, he has pulled together a good amount of research and info on savannah care. He has a copy of a study of wild savannah gut contents showing that their natural diet is very close to 100% insects and other invertebrates.
The red and green plant is a Fittonia, the green and white vine is Ivy, and the tall silver-green plant is a Sansevieria. They should all be safe, but the Fittonia will probably get stomped to death.
There are definitely regional issues with all the carriers. Where I'm at FedEx is a disaster, UPS is pretty good, and USPS is stellar. Look hard enough and you will find issues with every service, which is why packing is so important. Pack your animals correctly and they can survive just about...
That would be my guess, USPS Express is usually 1/3-1/2 the price of FedEx or UPS overnight. I do the vast majority of my shipping through them, but always use their service commitment tool to verify that they guarantee overnight service to your destination. Some areas are only guaranteed 2 day...
CVB will be there with an assortment of terrariums. We will also take preorders for show delivery if you want to save on shipping or delivery charges by picking them up.