CRM for a middle level law firm

We need a Web based crm for a middle level law firm. We are expanding, so the crm must be multitenant. We need attorneys gain a clear and complete picture of clients, contacts and matters so they can take full advantage of professional and personal relationships, and referrals. -Appointments * Drag and drop appointments * Double booking capabilities * Online hosting: view your schedule from anywhere, anytime Maximize your client and customer relationships * Capture and share client and contact information within the firm * Get a complete view of all interaction with a client or contact * Communicate with clients and contacts on an ongoing basis * Gain complete client level security Email / Calendar / Task Integration * Automatically associate all email correspondence to Matters/Cases * Associate meetings on your calendar with clients, contacts and matters * Associate tasks on your calendar with clients, contacts and matters * Information is automatically stored in both your email / calendar and the crm * Works with both Microsoft Outlook and IBM Lotus Notes Make all crm information available on your mobile device * Access and update contacts, tasks, and status information available anytime, anywhere on your Blackberry smartphone, Windows Mobile and soon, iPhone. * Works both in and out of cellular coverage * Quickly resolve and document issues immediately from your mobile device Effectively manage documents * Generate MS Word documents and other materials using custom templates. * Easily track and store electronic documents associated with specific clients and matters * Easily see the history of all documents created for a client or matter Highly configurable and easy to use * Create custom fields anywhere VIA drag and drop * Create custom business logic VIA the integrated automation engine * User-friendly features and interface * Minimal learning curve Other Functions: -Multitenant -Customizable(new modules will be integrated in future) -Multilevel login(eg. admin, support, sales...etc) -Help Contents for the crm -Data Back Up -Networking -Export Data -Reports Only experienced programmers need to apply. Will need sample works before [login to view URL] the project to be finished as quickly as possible..Also we need the crm to be very robust. Just see the below urls to have a look at the functions we need [login to view URL] [login to view URL] [login to view URL] [login to view URL]