If you want the ultimate protection, get small Pelican case, the 1020 micro, drill a hole for the headphones (doesn't work with the remote or with elbow headphone jacks). Not really impact proof though, since its a hard case and transmits any force, but its water and poijty object proof. This year I think I'll get a little Lowepro case or something. Plus the Pelican is sharp against the ribs.
LowePro dRes 100
-TAK,
PPPhD
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''Independence is for the very few; it is a privilege of the strong. And whoever attempts it even with the best right but without inner constraint proves that he is probably not only strong, but also daring to the point of recklessness. He enters into a labyrinth, he multiplies a thousandfold the dangers which life brings with it in any case, not the least of which is that no one can see how and where he loses his way, becomes lonely, and is torn piecemeal by some minotaur of conscience. Supposing one like that comes to grief, this happens so far from the comprehension of men that they neither feel it nor sympathize. And he cannot go back any longer. Nor can he go back to the pity of men.'' -my buddy, Fred
''The possibility of physical and mental breakdown is now very real. No sympathy for the Devil, keep that in mind. Buy the ticket, take the ride.'' -Raoul Duke, and his good friend, Mr.Jim Bean