Drupal, Joomla and such will do all that for you but the question is what are you trying to achieve in the long run? If you're planning on customizing a large a

Drupal, Joomla and such will do all that for you but the question is what are you trying to achieve in the long run? If you're planning on customizing a large amount of the functionality, then basing it on a large, behemoth CMS might be a detriment when the next upgrade comes out. Just food for thought, but if you're just building a simple forum, gallery, article site then a CMS will serve you just fine for many years.