What would be the best Content management system for buidling an art gallery web

Question:

What would be the best Content management system for buidling an art gallery website ?

the gallery would include artists, profiles and photos and videos of their work.
It would also include a forum, a blog, advertisement and featured articles.
Each user would have to register.
the gallery shop is also required.
It should be easy to add new photos, artists and profiles.

Best Answer - Chosen by Asker:

i really dont know