I frequently delete old PM's to make room for new ones. they're usually from the same 5 or 6 people whose names will not be disclosed.
I PM with 3 people.. sometimes 4.. over and over.. haha I clear em once a week when I get home to my desktop. takes too long on my PDA. I get about 200 a week.
i wouldn't mind a "delete all" function. because going through page by page does get tedious. i mean, i have better things to do with that 4 minutes or so.
i don't have secrets here... anything i have to say can be said in front of anybody here... (except kc; she has virgin ears)