How low can you go? ASUS has announced the MeMO Pad, a 7-inch (1024x600) multi-touch tablet sporting a 1GHz VIA WM8950 CPU with a Mali 400 GPU and running Android 4.1 Jelly Bean. And it costs just $149. An iPad killer it’s not, but ASUS has plenty of other tablets designed to compete toe-to-toe with the king of tablets. Instead, the...