iPhone 4 UK launch day: iPhone 4 New York Flagship Store - Apple's iPhone 4 is officially launching tomorrow, and some lucky iPhone 4 customers are even getting their hands on the device today.

If you're planning on lining up on Thursday to get your own iPhone 4, or even if you've already pre-ordered a new iPhone, check out this quick rundown of everything you need to know to survive the next few days of iPhone mania.

The Cube on 5th Ave. in NY, and it's brimming with action as usual. There's a very brief line of pre-orderers, and then a solid contingent of non-pre-orderers who are prepped to face a warm night on the sidewalk.

The crowd in London has swelled to a healthy 195 and negotiations have begun between people trying to trade up into more favorable positions. Others have opted for the waiting-by-sleeping approach.