You can get from outlook to GPE (contacts and calendar), but it depends on how much work you want to do to get them there. If you want truly automated sync, then I don't think that is out there yet.

If you don't mind a little work. I use a product O2M (outlook 2 mac, purchased for $10 from little machines ...google it if interested). And it will generate a file that can be imported into GPE contacts or GPE Calendar. The only problem are calendar entries that have WKST=SU (the day may vary). So, prior to importing the calendar file I rip that sequence of characters out and then import it. And yes, this remove the calendar and reload the calendar. So, it isn't perfect, but does work.