Useful Links

http://arxiv.org/
e-print service in the field of physics, mathematics and computer science

http://www.vjquantuminfo.org
virtual journal of quantum information

http://www.worldscinet.com/ijqi/ijqi.shtml
International Journal of Quantum Information

http://www.qubit.org
material in the field of quantum computing and information processing

http://www.quantiki.org
a community oriented "wiki" for quantum information

http://quantum.fis.ucm.org
news and information from quantum community

http://www.theory.caltech.edu/~preskill/ph229/
John Preskill's lectures notes about quantum information