There is a limited time deal going on at Microsoftstore.com. When you buy a Surface 2 64GB model and a Type Cover 2 bundle, you can get a free Touch Cover. Touch Cover comes in various colors and it costs $79.99.
Another deal was with Surface Pro 2, you can save over $75 by buying the bundle which includes Office 365 Home Premium, Complete for Surface Pro 2-year warranty, Touch Cover (Cyan), and Surface Pro Screen Protector. You can buy this bundle for $269.00 instead of the regular price of $348.97.
Find the deal here.