New, airline-backed travel site Orbitz.com vows to shake up rivals Travelocity and Expedia. But consumers may be less than stirred.

CLICK Prices: Cheaper for about half our trips, competitive on the rest.

MISS Selection: Fewer hotels than rivals, weak on off-the-beaten-track picks.

MISS Advice: Lacks the content about cities that Expedia (EXPE ) and Travelocity (TVLY ) offer.

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