Can anyone at Apple explain what's going on with bluetooth?

Hi, having read all the existing posts, I still can't find a fix for the fact my bluetooth connection is up and down like a yo-yo at present. As a loyal Apple customer over the years, I'm not really used to things not working properly, without a fix being delivered pretty soon. Presently bluetooth on my Macbook Pro can disappear (the functionality and even the icon from sys prefs and report as "not available" from the menubar, or the prefs stay and can open up but have no effect, or both prefs and menuitem just lock up (as is the current case.) -Odd as it all used to work fine. (problems since 10.5.7) - Oh well just have to try a restart (again) - this really does take the joy out of using these things. Are apple investigating this, they are welcome to any system log files I have which include the below periodically:
Aug 24 13:23:16 PJT-Macbook-Pro kernel[0]: E:[AppleUSBBluetoothHCIController][BulkInReadHandler] Received kIOReturnNotResponding error - retrying: 1.
Aug 24 13:23:16 PJT-Macbook-Pro kernel[0]: E:[AppleUSBBluetoothHCIController][BulkInReadHandler] immediate error (-536854449) queueing next read.
Aug 24 13:23:16 PJT-Macbook-Pro kernel[0]: [InterruptReadHandler] Received kIODeviceNotResponding error - retrying: 1.
Aug 24 13:23:16 PJT-Macbook-Pro kernel[0]: IOBluetoothHCIController::terminateWL .. done
Aug 24 13:23:18 PJT-Macbook-Pro kernel[0]: [Bluetooth::CSRHIDTransition] switchToHCIMode (legacy)
Aug 24 13:23:19 PJT-Macbook-Pro kernel[0]: [Bluetooth::CSRHIDTransition] transition complete.
Aug 24 13:23:28 PJT-Macbook-Pro kernel[0]: [Bluetooth::CSRHIDTransition] switchToHCIMode (legacy)
Aug 24 13:23:29 PJT-Macbook-Pro kernel[0]: [Bluetooth::CSRHIDTransition] transition complete.

Apple does not participate in these forums. We are all other users like yourself. You need to contact AppleCare and have your problem analyzed by them.

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