It's also a big question as to what you can do to save your starred items moving forward. Anyone wants to build a starred items to delicious exporter?
Any tag/folder in GReader can be exported as an RSS feed. Go to "Reader Settings" > "Folders and Tags" and click on the RSS icon to make it public, then click "View public page" and on that page there's a link to its Atom feed.
Then you can import it to any other reader.
Today, by just clicking "share" I can send the information to Twitter. What the new experience will be, I suspect, is that I will have to click "send to" then choose the service I want to share to. 2 steps instead of one.
It's a small product difference but one that will reduce friction for Google Plus while increasing it for "other" services.
We think the end result is better than what's available today,
and you can sign up for Google+ right now to start prepping
Reader-specific circles. We recognize, however, that some of you
may feel like the product is no longer for you. That's why we
will also be extending Reader's subscription export feature to
include the following items. Your data belongs to you, after all,
and we want to make sure you can take it with you.
* Your subscriptions
* Your shared items
* Your friends
* Your likes
* Your starred items