Netbooks are still big business for Asustek. So much so that the hotness from 2009 outsold Asus tablets in 2011. Per numbers released at the company’s global sales meeting (and relayed by Digitimes), Asustek expects to ship 4.8 netbooks by the end of 2011 but only 1.8 million tablets. But that’s expected to change in 2012. The roles will be reversed and Asus sees big things for…