The following is my opinion only and does not reflect Stardock or WC. So there!
The features in WC2k7 are complete; it does what it needs to do better than the old site.
There are other features of the old site that were not implemented on the new because they were deemed less important.
I would imagine that there is enough backend data being looked at to determine what most of the users were doing along with user feedback so that the new features were the best to implement early.
Remember, we, the vocal minority, are the minority here. We're just the loudest folks around.

I've been testing this site for what feels like eons and some of the "no brainer" comments here leave me slapping my head going "Why didn't I report that?" The fact is that I didn't notice because that's not the way I use WC.
The open beta has been going on for a month or longer . . yet there is a bunch of great feedback only today.
I'm gonna chill, report what I see and think and feel (all potentially different) and see what darkstar, t-man, andrew, and (my favorite) Nickie can do. In the meantime . . . this site *does* rock.