I'm always bugged by the inconsistency of this:
Old Question/Answer http://img718.imageshack.us/img718/2975/sospecificdatetime.png Yesterday http://img340.imageshack.us/img340/8515/soyesterday.png
I don't mind the "3 hours ago" thing so much for same-day questions, but it doesn't make much sense to me that I can see the specific time of day for old questions/answers but not for entries submitted yesterday. Wouldn't most people be much more likely to care about the time of day for newer questions? And it looks like there's more than enough room in there to add the at hh:mm
text.
Call it nit-picking if you like, but I frequently find myself looking at the time stamps when I see two answers on a question that are almost the same, and want to vote up the one that doesn't plagiarize. Anyway, I think the UI consistency argument alone justifies the request.
...Right?