I didn't know Marco had a podcast until I heard about it in this thread. Got it this morning and I'm listening to him say how he was ready for iPad Retina back in October. I've had that being ahead of the game feeling before then something comes along at the end to throw a wrench in it. I think that's why releasing/shipping is such a good feeling.

Even then, once I built the free version of my app without a necessary ObjC linker flag and shipped it with a bug that caused it to crash on a couple of screens. Was always testing in debug mode...