I like how it can be used for different projects, which makes things easier when you are working with multiple clients at once! It's easy enough that new people could use without any training or help from someone who knows more about using this software than themselfs would have been helpful in my opinion - especially since there isn't much documentation out their yet (at least nothing i've seen) so if anyone has experience they should chime-in here as well!! The only thing i dislike really is having too many tabs open/windows up all over your screen because sometimes its hard to find what tab relates back to an individual client site.
This helps me quickly see whether everything looks good across our sites before sending off updates via email & text message alerts.