I ahvent used QH in ages, but carbonite is my i can't do without addon. The map feature of carbonite is far and away superior to anything blizzard has built-in. Using mouse wheel to zoom in and out and the details of the map really pop. Those pesky narrow valleys to quest objectives you cant see til your standing at them are much easier to find.
I am glad that Bliz is taking baby steps tho. I'm thinking should they ever replace WoW they will build a much better UI.
As an aside..I've started raiding
after much time(5yrs nearly
...i kno im slow
) and I just want to say THANK YOU to ALL addon AUTHORS. I wish i had the money to donate to everyone of you. It is richly deserved. Thank you.