This is (allegedly) going to be implemented by the team sometime anyway. But just in case, and so you can play with it, here is a script which replaces the 'Unanswered' tab with 'Review'. NEW - attempts to notify user if the script becomes irrelevant (i.e. when this gets implemented by the team)..
If you have Firefox+Greasemonkey, Opera, or Google Chrome, try this Greasemonkey script that will transform the Unanswered tab into a Review tab.
Save the above to disk as "futurereview.user.js" and drag it into your browser—or simply go here for a direct download of the above file.
For more information about user scripts, check out the script tag wiki.
Disabled on Gaming: the tabs texts are image-based there.
You can use my other user script for commenting on the low-quality posts you find in Review.