322377 file storage & sharing website

I want this to be a high quality website were people will fill comfortable having their information stored . Features: 1. file sharing with user groups to share and edit files with multiple people for business. Several people can work on the same file at the same time and each person can see what the other has edited. 2. Unlimited client logins with secure passwords. 3. Tracking and alerts to confirm that clients have received files. 4. Creating online folders and renaming folders and files. 5. Zip preview. View the contents of a zip file in the users account. 6. Zip files on line in the users account 7. Edit text files, word files, spread sheets on line with Zoho 8. Make unlimited music and photo albums. 9. Edit photos on line with Snip shot 10. Photo blogs for the users account section 11. Send emails from users account. files 12. Uploads by emails. Upload photos , from your email application, camera mobile phone 13. Automatic thumbnails. Upload photos and text files and thumbnails will be made automatically. 14. Drag and drop upload box 15. Able to upload multiple files at once. 16. Add notes to files. 17. Play music files from user accounts 18. Reminders allow users to get notified when files are uploaded. 19. Access from mobile devices 20. Iphone access. Access files from your Iphone 21. RSS Feeds for folders in the user accounts. 22. Tagging of files. Let the users tag there files. 23. The ability to publish files to the web with permanent URLS 24. file uploads and downloads 256-bit encryption 25. All uploaded files scanned for viruses. 26. I want a search engine so people can search files that have been uploaded to site. 27. I want the main page to include the latest 10 files from every category... music - videos - pics...etc + the site statistics... uploaded files - registered users - online now. 28. I want the site to be multilingual. 29. I want to have several different account options for people. I want to have a free account that people can sign up for and then they can upgrade their account with in there free account. Or they can go for the paid accounts right off the bat. I want to be able to turn on and off the different options for each different account level so every time they up grade they get something new. 30. I want it to be much like ( [login to view URL] ) when searching and viewing files. 31. Users can make there files and folders private or public. In the user accounts I want the people to have a great control panel. Some of the features should include. Uploading, linking to files so they can use their files on eBay and other websites this can be a paid option. Renaming files deleting files, moving files, zipping files, making folders and so on. I also would like to have a message box where I can post messages of up and coming things to all the registered users. I want to be able to have full control of the website from the back end and the front that includes the members and so on. I want IPN for PayPal setup for people purchase their accounts or maybe some other payment options. If you would give me several options on making the site my be from scratch and from using another script and modifying it. I don't mind using another script and modifying it to suit my needs. I just want to make sure that it is a good solid script and things can be added to it and that it is easy to work with after it is done. I don't want to forget Google absence for the website. And maybe some banner advertisement for the free accounts. Thanks Abdullah