What are some alternatives?
InsightSquared - #1 for Salesforce.com Pipeline forecasting, profitability analysis, activity tracking: all the small business intelligence you need. Works using CRM data and automatic syncing.
Gainsight - Customer Success for the New Enterprise
TopOPPS - Sales pipeline & forecast predictability solution.
Clari - Clari is a predictive analytics platform for sales people.
Yesware - Sell smarter with email tracking and more
Salesforce Sales Analytics - Salesforce analytics gives you the business intelligence tools you need to make smarter decisions.