Best way of going about re-installing arch on a new Drive?

I'm moving from a magnetic Hard-Drive installation of Arch, to installing Arch on an SSD.
What I'm mainly concerned about, is about the best way of re-installing everything from scratch.
Regarding home directory I can just copy it.
But regarding installed packages from official repositories and AUR -
Is it advisable to find a way to list all packages to a text file, then use that text file as in input to pacman and yaourt on the new installation in order to install everything?
Did anybody here already faced this problem? I'm afraid of reinventing the wheel.
Any help is greatly appreciated!
Thanks!

cacplate wrote:
you can use
pacman -Qqet > packages.txt
to list packages that are explicitely installed and are not required by any other packages and make a file of this list.
Generaly, this list contains everything that you want to keep and more.
After that, you can script something to pipe every line to pacman and adding --needed to avoid reinstalling anything.
Explicitly installed packages which are dependencies of others will not appear in that list and thus lead to a different set of install reasons. The command should be pacman -Qqe instead. The safest way to do this is as follows:
old system
pacman -Qqen > explicit_native_pkgs.txt
pacman -Qqem > explicit_foreign_pkgs.txt
new system
pacman -Syu - < explicit_native_pkgs.txt
random_aur_helper ... $(cat explicit_foreign_pkgs.txt)

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