Nope, i couldn't find anything. Well i found out that the SMF team (or at least some of them) dont want to add it because its too much of a performance hog.
OK, Thanks for the info.
To me, it's annoying to see a thread pop up as updated when it's a few years old and you don't care about it any longer -or- one of these threads that has tens of thousands of posts and gets a new post every 30 minutes...