WOW! These things aren't ready for PCs yet but they've been proven to not only work theoretically but physically! It's only a matter of time now. If you're familiar with quantum theory you'll understand just how freaking incredible this is. If not the news article provides a decent basic commentary. Take a look!
http://news.yahoo.com/s/nf/20060113/bs_nf/40876
http://news.yahoo.com/s/nf/20060113/bs_nf/40876
