Yeah I just broke down and threw a screen protector on there. Kind of hides the existing scratch as well. I got this one because it uses static cling to adhere so it's easy to re-apply if you get it wrong the first time.
Amazon.com: MoKo Invisible Screen Protector Films for Microsoft Surface Pro Windows 8 tablet, (2-Pack): Computers & Accessories
Did you have any issue with bubbles under that?