I found it for $36 + s/h - [http://www.mengtor.com/product_show.php?category=747&pid=3796|PH-TOU-HP-001 Touch Screen Digitizer for HP Touchpad]
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I found it for $36 + s/h - [ Touch Screen Digitizer for HP Touchpad]
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***edit***
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Found it from the same sellers i just posted above, but on ebay, for even cheaper plus free shipping and a pen to use on the screen - http://bit.ly/H0JqWW
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Here's an auction for the same part w/o the pen (same price) - http://bit.ly/H0JvtH