Updated August 16 2012:
Inspired by the request from one of the readers I have decided to upload the PDF of the Keyboard short cuts for TP2.
Hope this helps you out!
You can also find it in your Native Instruments Folder –
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C:\Users\ YOUR USERNAME \Documents\Native Instruments\Traktor\Settings\Default Settings\Keyboard
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Traktor Tips 
I don’t know about keyboard shortcuts but I am very interested in this music instrument because this instrument give very nice voice which make to music a new color.