Bitdefender has launched a new product called Bitdefender Windows 8 security.

Its new features include
1- Early bootime scanning(Takes advantage of ELAM, only other product I know which takes advantage of ELAM is Kaspersky)
2- A new metro based UI
3- Enhanced scan times
4- Proactive metro app scanner.

I have written a detailed article at my blog.

You can also check out the bitdefender Windows 8 security website:-

Also all other features are same as Bitdefender Internet Security 2013.