I like that they have an easy to use interface, which is why it's been so simple for me to get leads from them! They're also very responsive when you need help with any issues or questions - always helpful!! Nothing really- but their pricing could be more transparent (i think i read somewhere).
Give lead generation software some time before jumping into this one because there are others out there who do things better than these guys at least in my opinion. We needed something fast & cheap way of generating quality calls/leads as we were getting zero traffic through our website due to poor SEO rankings. After using other services such as Aweber & Infusionsoft, etc., none worked well enough until now!