Sorry, I don't feel like taking that ride. What do they have in the future to push the stock higher? You honestly think that the iPad is going to push sales? A little at first maybe when they first come out because there is a certain market for new, shiny Apple products. The reception is going to be luke warm.
Apple will be back to the mid 400's by July. Mark my words. It's not going to 1000.
I think 1000x1500 resolution screen is another selling feature. Video contents with that resolution will be hard to come by. But you can view and zoom in photographs with print-like quality. That will be interesting. I think iPhoto app was designed to go with this. So I don't think iPad yet has any threat from other ARM based tablets. However, things will be different if and when Intel momentum picks up. Apple will be 700-800 before that happens.
The iPad will have a 2048x1536 resolution. Multiply those together and you end up with a 3.1 megapixel resolution. The standard 1920x1080 resolution is 2 megapixels. Before you say "Wow!" keep this in mind
Going from 1920 to 2048 on the long (row) orientation is only 6% more pixels. The shorter (row) orientation has 42% more pixels. So clearly this isn't a proportional enlargement (they didn't keep the same aspect ratio).
You are right about the video content not filling up the screen. What they will probably do is have an upconverter for HD content. That means that 30% of what you would be seeing in HD would be "interpolated." In other words, about 1/3 of the pixels on the screen would be made up under on the fly most likely by the quad core GPU. It should handle this task without a problem, the issue is, how good will it look?
As for looking at images from a digital camera, nearly every camera these days have more megapixels than 3.1 so you won't be able to fit the entire image on the screen without throwing away some pixels, just like before. But this time you are showing more pixels on the screen so in theory it will look better.
In reality a 10" screen is kinda small. When you start throwing more pixels up on the screen they just get smaller as they are pushed closer to each other. Walk up to your LCD 1080P tv and look at the screen of a static image. You'll see the individual pixels. These larger screens would benefit more from high resolutions than would the iPad.
People will be drawn to the iPad for it's stunning display. Photos will look nicer on it. But I think what they are going for on this is the gaming potential.
Is this going to have broad appeal to the point that people will trade in their iPad2? Doubtful, but we'll see.