I am not going to speculate about her resignation or her political future because I really don't care. If the Republicans nominate her, they deserve her. If they nominate a thinking candidate like Charlie Crist or Jon Huntsman, with whom I disagree on policy but respect as pragmatic statesmen, they will be the better for it. Don't expect them to nominate Susan Collins or Christie Todd Whitman though. They aren't feminist enough to nominate women who believe women should have rights, regardless of their defense of Palin against liberal 'misogynists.'
If you want to read about Palin from either perspective, pro or con, then Ron Chusid of Liberal Values offers questions into her character here, here, and here while Jenn Q Public defends her heroic courage in fighting chauvinism here. Pick your preferred brand, both writers communicate well and raise their questions or make their defenses with spirited ability and are worthy of your attention.
This is the last time I will mention her in a post until 2011, we'll see what happens when the primary cycle starts.