Not that it's new, but Google Calendar Beta is out. Check it out. Really cool.. Some nice features including the ability to share with people; Creating calendars and saving them as files; multiple viewing styles.... Just take a look..
The only qualm I have is that it does not work well with Opera... I hope that changes soon.
What I just found out is that there is a way to sync my favourite desktop calendar, Rainlender, with Google Calendar. Using the iCal interface avaliable on both I can move events around.
Still a bit buggy, but I am sure Rainy will add Google Calender support soon. Or maybe I should try to hack a calendar application myself..or extend Rainlender...:D
All in due time...