Fetch New Data - Push
Mail, Contacts, Calendars - Calendars set to sync all events.
Mail, Contacts, Calendars - Accounts - .Mac - Mail, Contacts, Calendars all set to on.
its wierd, because if i check the mobileme account on www.me.com i can see that al of my calendar appointments are up to date, but if I chack on my phone they do not seem to be syncing.
I am guessing this is a temporary bug with Beta 5 and it will go with 6.