Vaeflare confirmed that the console and PC versions will not interact. Characters will remain seperate between both versions.
While we think cross-platform play would be awesome, there are currently no plans to allow connectivity between PlayStation Network and Battle.net (this is pretty standard for most games that have PC and console support). As a result, the characters on your Battle.net account and PlayStation account will also remain separate.
There are currently no plans to include gamespad support into the PC version or mouse and keyboard into the console versions.
In terms of allowing an analog controller hookup for the PC, we don’t have any plans for that kind of support right now. Similarly, since Diablo III for console was designed with a controller in mind, the PlayStation version of Diablo III will not support USB mice or keyboards.
Lylirra also mentioned that the console version did not impact the PC versions development.
No, the PC version of Diablo III was not designed for console from the beginning. It was developed for the PC with one major goal in mind: provide players with an awesome hack-and-slash computer game that's both fun and engaging. Whether or not we achieved that goal is certainly up for debate within this community, but it doesn't make it any less real or valid. All the decisions we made when developing Diablo III -- including combat, skills, character controls, user interface, and itemization -- were ones we believed would deliver a great online experience, and the same can be said for the improvements we've made since launch. These decisions were not hindered (i.e. "dumbed down") by the development of a PlayStation version or altered to accommodate it.
For clarity, the PS3 version of Diablo III is based on the PC version and will include many of the same features as the PC game, including content all the way up to patch 1.0.7. From there, it's being tailored specifically for the PlayStation platform and will feature a redesigned control scheme, camera perspective, and UI.
So, while there may be some players who don't like how Diablo III was designed for PC, the PlayStation version of the game was ultimately predicated by the PC experience (not vice-versa). Therefore, if you don't like the skill system, the inclusion of the auction house, or how itemization works, that's fine, but please try to attribute those disagreements to the right place.
Even so, to counter a metaphor with a metaphor, I think a lot of players in this discussion can't see the forest for the trees. The point is that it wasn't on the PC design team to make considerations for console. Their focus has been and continues to be the PC game. It's the job of console team to make considerations for console as they adapt the existing game for the PlayStation.
During the development of the PC version, the job and goal of our design team was to create a fun product for the PC. After launch, it's been to support the game in the form of content updates, balancing, and bug fixes. That's their focus.
Beyond that, we actually have an independent team of designers, engineers, artists, and producers that are dedicated to adapting Diablo III to the PlayStation and creating an epic console experience. It's their job to take the PC game and translate it to the PS3, and in a way deal with all the considerations you're talking about. While our console team and PC team do collaborate (and have collaborated in the past), it's always to ensure that we’re staying true to D3 on the PlayStation platform.
Lylirra briefly shared some insight into future plans such as making Legendary items more "game changing."