For a website like Digg the database is 85% of the work with the graphical usability being most of the remaining 15%.
You could, if you don't mind spending money, go to GetAFreelancer.com y(for example) and post the project on there. Otherwise you're following the advice of ithelp above. You'll need to learn some hefty PHP with a chunk of MySQL. A CMS is not recommended for some content formats because it becomes cumbersome and slow and it's difficult to optimize if you don't know what you are doing.
hmmm ok, i see, but my website is a bit different now, with new ideas, and I am looking for anywho who would be able to help me in development. I currently have one person, but we need some other help.
let me know