Will they apply it for you ? if you buy it from them?

awesome dude! thanks very much for the update! by the way i also have a carbon fibre sticker sticked on the back. Do you think they'll mind sticking it back on top of the Powersupport SP?

Yes,xavinlyn is currently bringing it soon..Here is his thread..Maybe you can try to PM him..

Thanks

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Added on October 11, 2010, 11:24 am
There is dust trapped under my screen film. What can I do?

It is possible to remove dust (and the resulting bubble) using two pieces of tape. Use one piece of tape and place it on the corner of the film closest to the dust speck and lift the film from your device until the offending particle is exposed. Then use the second piece of tape to remove any bubbles from the underside of the film or the screen by dabbing at the dust. Then gently lay the film back down and remove the piece of tape from the corner of the film. This can be done multiple times until the installation comes out clean.

Source : Power Support USA F.A.Q

Thanks

a matte SP will mar the retina display to a certain extend. i personally feel its a little waste of the beautiful iphone 4 display. as for oil smudges, you could try the SGP Oleophobic SP.. its oil resistant, so oil can easily wipe off and won't smear, plus point is that its crystal clear and doesn't degrade the optical quality of the retina display  .