About bloody time, but better late then never!
Google’s finally released an application to sync Outlook and Google Calendar. This is the feature that has stopped me from using GCal previously.
I imagine the results of this will be similar to when I started using IMAP with Gmail - whereas previously, I ONLY used Outlook (because only Outlook had my mail reasonably organized) I am now able to use Outlook and Gmail nearly seamlessly and interchangeably.
Right now, Oulook runs my life, but getting GCal’s notification abilities is pretty sweet.
I haven’t installed it myself yet, but it’s the next thing on my TODO list.
EDIT: Hmmm… not exactly ringing endorsements for the program… might not enable two-way sync until version 1.0…