Joomla Community/Information site + Invite/Calendar

Need a clean, basic Joomla site built with “invite” and “contact management” tools for users. Will have 4-5 sections/menu items. Need ability for admin to change copy on any section/page using Joomla admin, to be able to upload pdf or word docs and link to them from pages, to update/maintain calendar and to e-mail all registered users. For user registration, need to define 6-8 fields. Need ability for registered users to send “invite” to friends to any event posted on calendar and to send link to posted news stories (using Joomla or other opensource, php etc. that can be integrated. Need ability for users to create “contact list” that they can use for sending future invites to their contacts and they must be able to check box next to each to make that a “private” contact or a contact that is added to the list for e-mails sent by admin. If new user joins after invite from existing user, would like admin tool that tracks which user “recruited” which other issue. Will provide logo and images for header. Will need your template/design OR we can purchase basic template for you to modify. Site will be developed on your servers and uploaded to ours when complete. Please contact with any questions and MUST send links to samples of other work with bids. Include completion ETA in bid. In terms of looks, and at like the “Modish” template at [login to view URL] and at [login to view URL] we like pg 1, 3rd row, 2nd from left and on pg 2, the 1st one on the 1st row and the 1st one on the 3rd row.