The District on Apache, a 1, 200-bed student-housing community set to open within walking distance of Arizona State next year, will feature an oversize outdoor movie screen, steam rooms and a 300-foot-long "lazy river" water feature, according to architect Mark Humphreys, whose firm designed University House.

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As much as the silver screen is obsessed with sleek steam trains it is also in love with pristine marble station concourses.

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Other must-have features in singleton spaces: a large steam shower, a media room with a big-screen television, and sound speakers in every room "even in obscure places, like the broom closet, " says designer Lori Dennis, who has worked on several places for singles in Los Angeles and Lake Tahoe in recent years.

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The company is also working on a Steam "box" - a set-top device that will let people play games on a big-screen TV in their living room.

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