This isn't surprising - Apple's online store sometimes goes offline before major product launches because it usually takes time to update its store with the new products. Apple is most likely updating its store to include a preorder page for new products, including the much-speculated new iPhone, a revamped Apple TV, and a supersized iPad and new iPad mini.
We'll be blogging live from Apple's event
at the Bill Graham Civic Auditorium in San Franciscoin the next few hours
. Stay tuned to SAI for updates.