I have been reading about gear needed for a touring expedition. I have
seen some of these waterproof bags that mount to the deck areas of
kayaks. they seem like a good idea. I realize that you should not have
to much gear on the deck for this would raise the center of gravity
and possibly cause a capsize.

But what are some opinions of list members when packing for a touring
trip?
What are the best items for leaving topside. I have done extended
canoe trips. And also many Backpacking miles on the AT. Always lived
by the rule of,
"If you do not use it every day, you do not need it." But it seems
logical to keep most often used items topside?