We're aiming for at least eight downstream ports and a package we can design a board around. There's a long list of USB chip manufacturers.
TI TUSB2077A: 7 port full-speed, 3.3V, LQFP48
Philips ISP1521: 7 port high-speed, 3.3/5V, LQFP80
NEC µPD720113: 7 port high-speed, 2.5/3.3V, TQFP80