But, since Trish told us there are reasons why she has the smilies she has, we are probably talking about this "just to hear ourselves" ( as my own Mom would say, after she has "said so")
My personal request for a smilie would be something that shows a palm smacking a forehead emotion. "Duh!"
What about the ability to be able to see post other members have made? Say you like the posts someone has made in a thread ... If they gave good advise about a plant problem, and you would like to see what other posts they have made, and/or threads they have started?