Thanks SuperLeroy!

Your files worked for me too, 13.11 Beta Catalyst drivers and GUI miner are now working for me.

The error i was getting was inside GUI Miner Console like the following:

Verification failed, check hardware! (0:1:Cayman, )
Verification failed, check hardware! (0:1:Cayman, )
Verification failed, check hardware! (0:1:Cayman, )