We've got a number of tips this morning about lucky iPhone 3G S pre-orderers getting shipment notifications from Apple. Naturally, with a high profile launch like this we're guessing Apple has done all it can to ensure shipments won't slip through earlier than the June 19th launch date, but hopefully at least few folks will get lucky -- and at least they've got one of the only guarantees of a launch day phone going. In other news, an anonymous Apple Store employee has done some homework and tallied up average reservation numbers at other US stores -- he estimates about 800 people on average are on the reservation list per Apple Store (ranging from a couple hundred to well over a thousand), which amounts to about 200,000 reservations as of now, a number he believes could double before lau