More on this, we're still experimenting between a hard vs. soft paywall. Regardless, if you sign up it should be easy enough to play around with it for a while on the free tier. We promise that we don't send spam/marketing emails.
If your page asks people to try the product, let them try it. Asking them to enter something and click “Try,” only to immediately hit a signup wall, is frustrating and makes them feel tricked.