There is no problem using a controller in terms of dodging anything on a PS3. If your controller is the problem get a new controller. For some PS3 models, graphical lag can occur, but thats not a overall truth to all PS3 users. In terms of people not having enough buttons on a controller to effectively do there job. That is why we have macros, to group certain skills together. I use a controller on PC. MUCH more fluent and once I discovered macros more in depth, never had a problem again with skills.