"Some customers using BlackBerry Internet Service experienced a delay this afternoon in sending or receiving email. The issue has since been resolved and no messages were lost. RIM continues to investigate the matter. Service for BlackBerry Enterprise Server customers was not impacted. RIM apologizes to customers for any inconvenience."
Oh great, just put many a young, connected couples' relationships in harm's way -- please RIM, won't you think of the yet-unconcieved children?
P.S. -If you're (still) having problems, sound off in comments! Let us know where you're at, who your carrier is, etc.