Not sure what you specifically want from it, but you could see if this:
http://www.wowinterface.com/download...FlightMap.html works with an addon like HandyNotes. Or you could try this if you just want to find paths easier:
http://www.wowinterface.com/download...ncedTimes.html
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"You'd be surprised how many people violate this simple principle every day of their lives and try to fit square pegs into round holes, ignoring the clear reality that Things Are As They Are." -Benjamin Hoff,
The Tao of Pooh