> Do you use USB Overdrive?
> I had the sluggish mouse thing (but no airport problem) and this
> thread on macosxhint solved it:
Thanks for the idea but I'm certain I don't as I have no idea what it
It has occurred since when I haven't had Fire loaded so that confirmed
it is not the source. Also I had a terminal window open with the top
command ready for when it to happen, that showed nothing unusual, but
did lead to a kernel panic instead.