My contribution is an article on what the 2008 space elevator contest will look like (an impressive 1000 meter line from a blimp) and what are the targets for the prizes
Astropixie has a simulation video of a Spaceship Two flight.
BAd Astronomy confirms that asteroid 2007 TU24 will not hit the earth
However, a US spy satellite will crash to earth.
Centauri Dreams talks about magnetic assembly in space