Ebay's daily deal have Virtua Tennis 4 for the PS Vita on sale.
Brand new, free shipping.
Game here
http://www.ebay.com/itm/Brand-New-Sealed-PS-Vita-PSV-Virtua-Tennis-4-World-Tour-Edition-Region-Free/231034919170?customid=cuJqrgtREeOvgR5kXHyt6QTpo2_AfYg3_0_0_0&pub=5574652453&afepn=5337259887&campid=5337259887&pt=Video_Games_Games&hash=item35cac11902&afepn=5337259887
Brand new, free shipping.
Game here
http://www.ebay.com/itm/Brand-New-Sealed-PS-Vita-PSV-Virtua-Tennis-4-World-Tour-Edition-Region-Free/231034919170?customid=cuJqrgtREeOvgR5kXHyt6QTpo2_AfYg3_0_0_0&pub=5574652453&afepn=5337259887&campid=5337259887&pt=Video_Games_Games&hash=item35cac11902&afepn=5337259887