[DJN]

I'm not a big fan of the 30 day trial because I think it adds extra friction to the signup process. Especially when a credit card is required.

Isn't it better to offer an unlimited, resource constrained plan? Note: you can still let them use all the features but with limited resources.

Advantages: 1. You get permission to send them product related emails. 2. They hit the resource limits quickly thereby encouraging them to upgrade.

We do something similar at Trafficspaces and it works well for us. Unlimited free trial but with very low resource usage.

Just my 2 cents.