This is not a major spoiler at all. However, if you don't want to know anything until the episodes premier, don't read on.
Here are some snap shots of the information on Wookieepedia.
Seems the majority of us were right in the Republic searching for Ahsoka.
However, it seems that, with this information, it's proved that neither Ahsoka nor Ventress die in the duel.
I really can't wait for this ARC! Until then, MTFBWY!