The developers get player questions and feedback from us all the time, but it is not always that they are able to answer said questions and feedback because they have not yet decided on the best way of doing so. The processes for everything the developers do are all very iterative, and this means that things can change dramatically before they reach certainty. Once the developers have made their decision on something though, that is when we can give you information and be sure that it is the correct information.
Apologies for this but that seemed like a long winded way of saying "we wont tell you anything until it's released" albeit a very diplomatic way of saying that, however the E3 stuff and blizcon stuff that we saw prior to release looked amazing and yet none of it made it into the game because the devs felt it wasn't any good or worth being in the game!
That being said almost everyone was appalled at them being cut out and things removed, some of the stuff was the primary reasons people bought the game only to get it and go "yea they lied" so obviously the stance of not telling us anything is to prevent those people from crying about it like they will.
However not telling us about the direction or the ideas you have is annoying the other lot of people so in short it's a lose, lose situation or a damned if you do damned if you don't.
What I would suggest is to let people know what areas you are working on for the next patch but don't give details, let them know that a certain part of the game might change or a certain class will be getting looked into more depth, you don't have to say we're doing x y and z with said class you can be very limited while letting people know about what's sort of going on.
I think this would help because let's be honest patch 1.0.6 was a joke and wound a lot of people up, people were expecting some proper bug fixes and possibly some skills looked at which are underpowered, people were also looked for the other classes to be brought on par with the easy mode barb which didn't happen. Had you said prior something like "Patch 1.0.6 will be very small and to address some minor issues" people wouldn't have reacted very much to it at all.
Keeping people in the loop is 101 of CS.