There is now a Beta version of the new Adsense login available. The following message appears when you log in to the new adsense Beta:

The new AdSense has been designed to help you manage your account more efficiently, offer you deeper insights about your site’s revenue and give you more control over the ads that you display. A few of the new things that you can do include:

• Make changes to your ad units in bulk by visiting the My ads tab
• Compare your performance this month and last month under the Performance reports tab
• Visit the Allow & block ads tab to block categories of ads