Is it me or there's a topic asking this every week?
viewtopic.php?f=5&t=9709viewtopic.php?f=3&t=13253 (that's from you as well)
viewtopic.php?f=5&t=12855Somewhat related:
viewtopic.php?f=3&t=9172I think that client-side scripting (along with some logic to play make mobs finally efficient) and improved speed / stability are my main wishes.
But proper hardware lighting would be also a nice long term goal.