As far as the map editor goes we're pretty much recreating an interface similar to RPG Maker's own. It won't be as feature rich but it will be more specific so that we can use the tools we build ourselves with 100% feature utilization. By building our own system we can add certain functionalities without having to google how to do it for hours with someone else's design and/or have to resolve it with a hack. That being said the editor is looking shhhweet especially since it's using our own map format.
As far as pixel art goes I figure pictures speak louder than words. Here are a few mockups: