Google Chrome 5 is out now but is currently available to only Google Chrome Dev Build users.The current version being 5.0.317.2.
Some of the new features are-
Cookies: Modify how cookies and other site date are saved on your computer (Allow local data to be set, ask me when a site tries to set data, block sites from setting any day (with an exception list provided). Can also be used to block all third party cookies without exception and to clear cookies and other site data when the browser is closed. Does contain a link to Adobe Flash Player storage settings.
Images: Show all images, or do not show any images but for sites on the exceptions list.
Plugins: Allow all sites to use plug-ins or do not allow any site to use plugins except for the sites in the exception list.
Popups: Allow all sites to use popups or do not allow any site to use popups except for the sites in the exception list.
Google Chrome 5 even comes with an address bar separator which allows you to hide extension buttons in the toolbar.
To get an early access to Chrome 5 Click Here.