Stolen from digg: http://mashable.com/2010/01/01/idn-phishing/
Discuss!
I've not read into it too much but seems quite scary. Of course as long as you always type the address in yourself you'll be ok, but how many of us click the link first then check the address or be extra careful and hover your mouse over the link and check it is genuine first? Well those methods won't work anymore!