I seem to recall Yoshi-P saying that PC and PS3 versions were not going to be ports one way or the other. I don't remember if it was in a dev letter or one of the interviews. I also seem to recall him saying that while they had a version of the PC client working on the PS3, that they were going to develop a PS3 version specifically for the PS3. Which needs to be done.

That being the case (and as I can't remember where/when it was said, so please take with a grain of salt) there is absolutely no reason to have separate UIs for the two that are optimized for the two.