You could look at BPMonline CRM. The system is powerful, easy to use and customize. Can be integrated with MS Outlook.
What makes BPMonline stand out from the rest of CRM solutions is a professional business process management engine to design, automate, monitor, and supervise business processes.
The solution is delivered at an incredibly inexpensive price point – just $35 / month / seat.
Give it a try at http://www.bpmonline.com/autologin?locale=en