After upgrade my Node.js, It seems sth wrong. It cannot install any package with "-g". Here is the pic link of the error snap http://photo.weibo.com/1495160301/wbphotos/large/mid/3603537491210131/pid/591e55edjw1e6xpnw75h1j20wt0lydjm. (OS X 10.8.4）
i had a similar issue when i tried to install phonegap with -g option. i solved the issue installing the newest version of Node