There are more than a few of us here.
I wrote an article on how I use the BWC to tie with my IMAP email and how I'm doing my delivery and such.
It isn't really as Mac specific as it is BWC-user specific though.
http://www.mobilewhack.com/pda/black...g_the_bwc.html
You will be pleased to know that the PocketMac people are working on supporting DayLite, if that is your preferred PIM. And if it isn't, maybe it should be!