Should I buy ipad 2 or itouch 4th generation?

I have just saved 700$ to get an ipadThe iPad is the first tablet computer developed by Apple Inc. Announced on January 27, 2010, it is part of a device category between a smartphone and a laptop computer. .http://en.wikipedia.org/wiki/IPad 2 32GB wi-fi only but then started to look at the itouch, because it is cheaper [...]

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Source: http://ipad-iphone-ipod-update.com/2011/07/should-i-buy-ipad-2-or-itouch-4th-generation/