Amazon.com have their own deals for the PSVita Launch Day:
For a limited time, buy two select PlayStation Vita games and get a third select PS Vita game free.
To receive the promotion, add three qualifying games from the list below to your cart. Discount will be reflected on the lowest priced game. Shipping fees and taxes may apply. Offer good while supplies last. Void where prohibited. Valid only on qualifying games sold and shipped by Amazon.com. Amazon.com reserves the right to terminate or modify this promotion at any time. Offer expires 02/25/2012.
Click the box to the left of an item to include it in your order. Then click the Add to Cart button to place your selected item(s) in your Cart.