iLounge has received its first of several test units of the third-generation iPad, and has posted unboxing and comparison photos of the unit to our Flickr account. As had been revealed earlier in the week, the differences in packaging between the new iPad and the iPad 2 are small, with a different background image for the device, an iCloud badge on the bottom of the box, and the expected changes in the labels on the rear. Inside, the changes are similarly…