I use Outlook Express 6.0, and that in turn utilizes the windows address book (WAB). The problem is for a heavy user like me, with over 15,000 contacts, creating a new message creates extreme lag, lasting for 20 seconds or so (I assume while the WAB is loaded into ram). My question is......IS there a way to eliminate this lag without deleting the contacts, or is there a email client that I can migrate to that does not feature this problem at all? Thanks!