Oh I still print hard copies and file them away once or twice a year, no matter what. And unfortunately, what I say about programs that become obsolete would also include this site. It might be advantageous for you to keep a list, a blog, garden calendar, etc. here, but don't expect it to be permanent.
Regarding the nifty Excel graphics, the forums here and tree mail don't allow Excel files so you all will need to send me a tree mail with your personal email address, so I can send you it there.