Updating the Bluetooth stack (drivers and control software) solved an annoying problem that occurred after resuming from sleep. I had to track down this newer driver on Toshiba's website; a Sony support engineer later supplied a still-newer beta driver.
For the full story, see Fixing Windows Vista, one machine at a time
Kick off your day with ZDNet's daily email newsletter. It's the freshest tech news and opinion, served hot. Get it.