The typical springsteel blinds such as the Doghouse, Penthouse, etc... are easy to setup. Take down usually takes a little practice as there is a bit of a trick to retwisting the metal back into the small circular shape. Not that big of a deal once you get the hang of it.

The hub-style blinds like the Escape/Eclipse models are easy to setup and take-down. Just pop the hubs out and then pop them back in.