TransOrbital is selling space aboard the vehicle -- not for people but for personal items such as business cards, photos or personal messages (at $2,500 a gram). (For the full story, see: <a href="http://www.chron.com/cs/CDA/story.hts/space/1680912">http://www.chron.com/cs/CDA/story.hts/space/1680912</a> )What do collectors think of this?