CMS based website for Healthcare client

Site specification as follows. Looking for your recommendation for the most suitable CMS.

Home page
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Small amount of written content (case studies). Inclusion of video/flash content a possibility.
Login to secure client area
Data capture form (name, role, email address)


6 x content pages
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Short written introduction
Anchor in-page links to further written content and downloadable PDFs
One page might additionally include data capture form (name, role, email address)


Contact page
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Data capture form with message field


Secure client area
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Registration/login
Reset password
Password protected area containing downloadable content (uploaded by site administrators).



Additionally could you separately give me a cost for integrating the following:

Forum
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Standard forum functionality


Poll
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Included a polling module on the homepage


GP locator
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Geographic search that will locate doctor(s) closest to the entered postcode. Would be great to map onto google maps if possible.

That's it!