Hi, someone who has been working on a novel for the past several years, here. I learned very early on that I cannot live without keeping some sort of notepad equivalent on my person at all times (but especially on the nightstand when I'm in bed) to jot down ideas that hit me when I'm away from a computer. I don't have a smartphone or PDA and all the non-homebrew turn-your-DS-into-a-PDA games are awful, so I use my Voyage 200 (which is only a little ridiculous overkill....) But, you know, whatever works for you!