Dear All
I would like to know if it is possible to connect the TFT LCD display with a wifi shield to MEGA 2560. So to that board we would have to plug in the below. Is this possible? Please let me know if any of you have done this before. My goal is to basically have an arduino board with a wifi capabilities and a touch screen. Thank you very much in advanced for your input 
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Arduno Wifi shield
http://arduino.cc/en/Main/ArduinoWiFiShield#.Uw_qBvldXaF -
TFT/SD Shield for Arduino MEGA 2560
http://www.ebay.com/itm/TFT-SD-Shield-for-Arduino-MEGA-2560-LCD-Module-SD-level-translation-2-8-3-2-DUE-/121161179201? -
7in TFT Display
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=111008432389
Regards