Sega just officially confirmed the Wii version of Virtua Tennis 2009.
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LiveWii : "Since the official press release of Virtua Tennis 2009 for Wii, one question stayed without an answer : will the game feature a Wii MotionPlus compatibility ? The boxart that Sega has sent us confirms a new logo for the new accessory and that Virtua Tennis 2009 will be fully compatible with it."
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IGN writes:

" SEGA Europe Ltd. and SEGA of America, Inc. today announced that the Virtua Tennis series will, for the very first time, be released on the Wii system and will hit stores in May 2009.

Wii owners will finally be able to take to the courts in the fan's number one tennis game, boasting all the features and arcade action that has made Virtua Tennis the most critically acclaimed and best selling tennis series available. Virtua Tennis 2009 for Wii includes the same impressive player roster as Virtua Tennis 2009 on other platforms, meaning top stars such as Roger Federer, Rafael Nadal, Maria Sharapova and Venus Williams will all be in the game, as well as players new to the series such as Andy Murray and Ana Ivanovic. Over 40 vibrant court environments will be playable within single player, multiplayer and online modes giving Virtua Tennis 2009 an impressive online and offline depth for a Wii title."
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