"CRM Heaven or CRM Hell? Seven Options Reviewed From the Trenches" [Jolt Magazine] offers a brief overview of 7 of the most popular web-based CRM packages and interviews actual users of these applications, to give you a little perspective “from the trenches.”
Here's what the piece says about Highrise: "If what you need is simple contact & task management, this is a jewel of an application. The workflow is seamless."
It also includes this testimonial from D. Keith Casey Jr. of Casey Software:
I switched over to Highrise approximately 4 months ago and once I bcc’d all my email to it, found it as a great way to quickly get things moving and keep them (mostly) up to date.