First off, let's talk about the touch screen. The annoying thing about the touch screen is the same as what other people have noted, you can easily fat finger the buttons. However, you get used to it so it's not a big deal.
If you follow the instructions it's pretty straight forward. However, make sure you check the list of coins on the website to ensure it supports the one you want. This list will also tell you how to access the wallets for each of the coins, such as through Trezor, Trezor Beta, MyCrypto, etc.
It was surprisingly smaller than it looked in the images and not that thick. It's about 2.5 in./6.5 cm. long, a little over 1 cm thick, and 1.5 in./4 cm wide, easily fitting in the palm of your hand.
Be careful not to lose it, and especially do not lose the seed codes. Without those you can't recover it.
All in all, it's neat and exciting to use this. You can even use it to generate a QR code others can scan.