I think this 3GS screen is the best I've seen on any device in terms of smudging and fingerprints. It is so easy to keep clean and wipes off, this is why I debated covering it with the Invisible Shield. I've read various things about that Oleophobic screen and the one thing it isn't a totally scratch resistant, though probably moreso that many displays out there.
I am just fearful of having my screen get scratched!
I am not a big holster guy, so for me those holsters are pretty much out. I much prefer to shove it down in my left pants pocket with the screen against my skin side. I wear lose fitting clothes with deep pockets so I don't have to worry about it being too tight on it or falling out. I did this with my Razr2 for years!
I use docks a good bit so for me having a thick case or shell just would be a pain in the butt. Still I do want to protect it as much as possible.
Interesting read here about this Oleophobic coating coming off phones prematurely... Unconfirmed of course!
http://www.ilounge.com/index.php/new...f-prematurely/
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iPhone 4 32GB, Black,
iPad 32GB 3G/WiFi
MacBook Pro 2.27GHz, nVidia 256GB, 4GB Ram, 320 GB HD
Mac Mini (Home) 2.53GHz 4GB Ram, 500GB HD