Still have any doubts about how amazing the iPad HD's 2048x1536 Retina-ish display is? No more: check out these amazing comparison shot of the incoming iOS game Food Run.
Food Run is entirely drawn with vectors, so you can scale it to any resolution. On the left you can see how it will look on the iPad and iPad 2 display. On the right, the iPad 3. Truly impressive. [Book of Dev]
Food Run on the iPad and iPad 2 display.
Food Run on the iPad 3 display.