Here in Calgary at the Tesla store in Canada, they are fully expecting line-ups on March 31st based on the sheer number of inquiries they've had on a daily basis. Knowing how Tesla does things though, no matter how fast a Canadian is in reserving a new Tesla car, the USA buyers get it first (as they should, it's made in America for goodness sake!).
As for the rumours of about photographs vs. actual prototype, just look at the 10K SEC filing:
Tesla Motors - Annual Report
"
As of December 31, 2015 the following two performance milestones were considered probable of achievement:
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| Successful completion of the Model 3 Alpha Prototype; and
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| ·
| Successful completion of the Model 3 Beta Prototype"
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Plus, why in the world would they send out invites and get people to pay for flights and accommodations just so they can get them into a room show them photographs? Doesn't make any sense, and the only people that keep spreading this nonsense are short-sellers of the stock and maybe General Motors sympathizers.