http://www.gamesas.com/index.php?/topic/1090049-official-tes-v-speculation-thread-number-28/ is the official TES:V Speculation thread.
http://www.gamesas.com/index.php?/topic/1090035-tes-v-ideas-and-suggestions-164/ is the offical TES:V Suggestions thread.
I'd recommend posting in those if you have concerns/ideas about the future TES games.