Hello, I, like many of you, have been anxiously awaiting a new updated MBA. Spec-wise the current model is fine for my needs but my main concern is, and has been, the weak hinge/floppy-screen issue and I will not buy one with the current configuration––even though they'll replace or fix even after warranty runs out. My question is: Is it entirely unprecedented for new products to just show up in the store (online apple store) without weeks or even months of leaked "evidence" such as new SKUs or Part#s leading up to its appearance? In other words, is there any chance that we'll just hit the apple online store one Tuesday and "There it is!" Or are there always clues and evidence circulating beforehand? Thanx.