There are so many reasons to not recommend Angry Birds HD. If you already have been addicted to the iPhone version, it's hard to justify the fivefold price increase for what is literally just the same game running in iPad native resolution. Or, if you somehow need a game that runs on both the iPhone/iPod touch as well as your iPad, then the $0.99 original is well worth it. However, if you still haven't been addicted by Angry Birds….go buy it. Don't go waste your time with the Lite version, even if you're a game reviewer busy with other games. You're missing out.