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I will do a small point release of the QT wallet with the logo update today, but for now I'll hold off on any core changes for another week or so.

On the next gen wallet front, my focus has been on completing the full encapsulation of the daemon so it is transparent to the user, auto-generating rpc user/password etc. and making it seamless, locking down and cleaning up class visibility for internal core objects (e.g. internal vs public vs protected etc.), plug-in lifecycle, handling different scenarios from the qt wallet like sending coins from encrypted wallet so prompt the user to unlock first and little things like that, detecting the first run of the wallet and showing the user the getting started page, etc. and then applying the new logo and mockup styles as best I can.  All the little things that can confuse new users, and then major core API finalization for plugin developers.  Can't publish an API, have people build apps, and then break it because then you alienate devs.

A lot of this stuff, once it is done it is done, it is the up front hurdles you have to get over and then everything gets a lot easier.