Since the start of v2 i always use sometimes tiny, sometimes plain editor. However the whole concept of images and files (to display, download etc..) is run by mediamanager. This is all in one : (usage dependant) meaning if i need to use a ceratin image on different parts on the website 1 image is enough and coupled internal (by setting) so i can use it throughout (Could be displayed in Galery but also on news or as download and so on.. When familiar with this much can be accomplished. You can create own names for 'containers etc..etc.. manual pre upload, ftp upload (batch) or on the fly...Furthermore 1 thing rules all, so no 'where can i find it now? '
Imagination is the key. And this one of the largest changes next to the use of pages..
What one preferes? Up to the user. CK would be good too, but who is going to help with integration to the system.. From v1 to v2 a lot has changed, and it is not without effort, to get it running out of the box. Much is of course (esp. regarding uploads bound to strict security related things and behaviours).