You can't run a company without technology, but you can't invest in technology without the blessings of the finance department. And thanks to the long-stagnant economy, the pendulum of power between Finance and IT is swinging decidedly toward the chief financial officer's door these days."The power dynamic in the C-suite really does change when the economic times are difficult," says Bob Martins, a CFO partner at Tatum LLC, an executive services firm headquartered in Atlanta. "And right now any kind of spending decision requires much more scrutiny."All of which means now is an excellent time for you, as an IT manager, to really listen to what Finance has to say. To make that job a little easier, Computerworld asked several CFOs what message they'd most like to get through to their top technologists. Here's their advice.