Sure. [2] talks about reprap's philosophy and is a good a place as any to start. Not many are talking about this yet but this is the new revolution. It has to be!

[1] http://reprap.org/wiki/Main_Page

[2] http://vimeo.com/5202148

[3] http://www.makerbot.com/

[4] http://www.boingboing.net/2010/09/06/cheap-portable-perso.ht...

[5] http://en.wikipedia.org/wiki/3D_printing#Comparison_of_3D_pr...

[6] http://news.ycombinator.com/item?id=350708

[7] http://news.ycombinator.com/item?id=1061260

[8] http://news.ycombinator.com/item?id=760466