After reading some of the literature on the PV I have to say it sounds like a good product. However, unless I missed something in all that reading I think some of you are misrepresenting, probably unknowingly, the part about not needing a computer to make adjustments. Based on the info on their website, only certain adjustments can be made directly with the PV device. Other adjustments, which they didn't detail, do require the use of special software on a Windows computer. Would that be a deal breaker for anyone? Doubtful, but I thought I'd mention it for the one or two people that might feel differently.
From the website FAQ's:
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"Do I need a computer?
No, a computer will not be needed to load one of the pre-configured calibrations, or a copy of the original calibration into your motorcycle. You can even edit the tune directly on the device without touching a computer. The list of available parameters to edit directly on the Power Vision is limited, but it’s extremely handy for in-field calibration changes. If you want to make adjustments to the calibration beyond what can be done directly on the Power Vision, or if you are an experienced tuner looking to maximize the effectiveness of your tunes, then you will need a computer with Microsoft Windows operating system (XP, Vista, or 7) in order to use the WinPV tuning application (which is included free)."
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Jerry