We're still sweet on SugarCRM, which is hands down the most complete and commercial-grade free and open source CRM solution. A flexible AJAX-driven browser interface is backed by an off-line client and plug-ins for Microsoft Outlook. Version 5.1 (currently beta, due in July) supports smartphones and PDAs with a pared-down Web GUI and nice search options that get data into the hands of mobile users quickly. A wizard-driven interface takes much of the setup work out of generating complex reports, while Excel integration complements a nice set of dashboards. Sugar just gets more refined with each new release. FULL REPORT ...