I have heard a fairly common response from most DSLR users who have gotten a touchscreen camera.... They hate it until they use it, then they love it.....
I'll continue to hate touchscreens. Give me dials I can use while I have my eye on the viewfinder!
Touchscreens have no 'feel' to them, you can't use them blindly AND it makes the screen all icky.
DP Review on the touch screen:
And I can report that the anti-smudge coating seems to work reasonably well. I wish my iPhone had it!