A funky little spot in Harvard Square thrusting shabu-shabu dining into the superfuture.. You may have a deep desire to yell JANE! when at Shabu-Ya, but who'd blame you? Dining here's like entering an episode of "The Jetsons," and it's almost entirely worth eating shabu-shabu for the futuristic setting alone. Not only are the colorful wine, sushi and shabu bars funkily fantastic, the food is too. Try the kimchi, tom yum or Thai broth with your options for meat, vegetables and rice or noodles. And if it's inexpensive sushi you love (decent, but you know, budget), check out the sushi happy hour on weekdays.…