About a year or so ago there was a link for a introductory kit that included two notebooks, one space pen, and a sample of printer paper for around $12 or so. I looked on their web site, but could not find the kit. Maybe the promotion is discontinuted, or maybe the link is "hidden" and you have to find the magic URL. Anyways, I don't have time to look right now, but it is a good deal IF you can find it.
I dunked the sample printer sheet in water for 1/2 hour. The very edges were slightly soggy, but the paper was still strong, and you could easily write on it with the space pen. It also dried to almost-new condition. Very impressive stuff. I also really like using a pen, as you never have to sharpen it.
I also love my Inka pen, as I have it everywhere with me on my keychain. Get one...
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Darwin was wrong -- I'm still alive