I was never able to get Sb 0.7 to sync but 0.8 works fine. Just give it the iCal address for the Google calendar.
I don't have any luck getting Lightning 0.8 to sync, though. It doesn't even offer me a place to point it to Google. Maybe I've missed something?
According to their FAQ, use the XML link if you want bi-directional calendaring and use the ICS link for read only.
Cancer Survivors -- Remember the fight, celebrate the victory!
Help control the rugrat population -- have yourself spayed or neutered!