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					Originally Posted by  ShellShock
					 
				 
				I played with a 600 (not 650) in the store, and some of my page swipes did not register, which was annoying. How much of a problem is this with touch screens--having to swipe several times to turn a page? How tricky is it to learn to get it just right? 
 
At least with a physical button it will fire every time. 
			
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 touch screens don't have this problem, capacitance ones in phones that is (and the ipad) but if sony has chosen a crap touch tec such as ir for cost reasons, maybe it will impact their products.