More signs of iPad 3 Retina Display in iOS 5 beta Twitter frameworks?

@Frankrockz told TechUnwrapped he found some interesting iPad Retina Display sized graphics hidden in the Twitter frameworks of the just-released iOS 5 beta.
As I was going through the iOS SDK I came across some images in the new Twitter .framework. The resolution appears to be 1,536 x 2,048.
That, of course, is the magic 2x number needed to take the 9.5-inch iPad display to Retina levels. Similar 2x graphics were previously found in iBooks before the iPad 2 release, so it doesn't necessarily mean iPad 3 will be getting Retina Display -- depending on costs and production yields it could be iPad 4 -- but it does mean Apple is continuing to get ready for it at some point.
Would you be willing to pay more for a 1,536 x 2,048 iPad 3, or would you prefer Apple hold off until they can cram four times the screen into the same price?
[@Frankrockz via TechUnwrapped]
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Rene Ritchie is one of the most respected Apple analysts in the business, reaching a combined audience of over 40 million readers a month. His YouTube channel, Vector, has over 90 thousand subscribers and 14 million views and his podcasts, including Debug, have been downloaded over 20 million times. He also regularly co-hosts MacBreak Weekly for the TWiT network and co-hosted CES Live! and Talk Mobile. Based in Montreal, Rene is a former director of product marketing, web developer, and graphic designer. He's authored several books and appeared on numerous television and radio segments to discuss Apple and the technology industry. When not working, he likes to cook, grapple, and spend time with his friends and family.