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The only touch screen features I've seen so far are being able to use it during warp for quick selection (very handy in my opinion) and the map waypoint system when you select "map" from the manu then touch the screen and drag one of the 5 quill pens to select locations (Another handy feature, reminds you of places to go when you need to backtrack)
I'm a weird guy who rants a lot! I can prove it on my show!