In anticipation of the release of the new iPad, Apple has set up a section on iTunes of apps that are retina ready.
Several developers have already submitted and posted apps that are updated to take advantage of the new display.
Some are free, some are not. Which one’s will you download?
iPad Notebook 
You can also check out the Dwellable app if you want to see how big, beautiful photos look. Check out Oahu as a starting point, unless amazing photography of tropical beaches and stunning rental houses leaves you cold.
We just launched the app yesterday, but worked to get it retina-ready in time for launch. You can check out our coverage in Forbes, Xconomy, AGBeat, Geekwire etc…