I didn't see this posted anywhere, so if it has been I apologize. I've noticed that when you hit the reply link in a thread, the reply popup comes up, and initially the focus is in the text box (which makes sense, since you would be typing a response to the thread). The problem is that once the page fully loads, it resets the focus to the Message Title box, so if you've already started typing (like I always do) once it stops loading you suddenly find yourself typing into the title box. Not sure if this is by design, but it can get kind of annoying.
