After this story a couple of weeks ago, it’s not surprising to see more riffs on the iPhone 4 decal theme. This one is even more awesome and nerdy than a decal of a Nintendo NES controller – a Star Wars R2-D2 decal. Oh yes. Imagine the fun you’ll have, pushing your iPhone back and forth across the table, making beeping noises and talking to it in your best C3PO voice! I have no problem admitting that this alone makes the iPhone 4 a more appealing upgrade from my current 3GS….