Austin-based HomeAway, which operates a network of vacation rental listings, has landed a $250 million round of funding, at a pre-money valuation of $1.15 billion. Technology Crossover Ventures led the round, which you can read about at TechCrunch. HomeAway, which seems to have acquired all its competitors over the past couple of years, didn't even have to lay off the token 20 percent of staff.