Question Author
"I know it's too late to change the plans now but I'm hoping that before long it will easier for people to see whether a question has already been answered. At present when i read a question unless there is a 'best answer' marked I have to scroll down to see whether it has already been answered. Quite often new users in particular post answers to crossword questions that were answered fully hours or days earlier."
Notifications/at-a-glance stuff should be addressed in the next update (i.e. the one after tonight's)
"Does the new registration page include any info about avatars, even if it's just a link to the What Is An Avatar? article?"
No, but there is a orientation email that gets sent out to all new users. We've had many less requests since we started doing this.