She's pretty lucky to have that as her first board. Sounds like you have some coin and are willing to spend it for her to have a nice setup. Assuming you're only looking at new 10/11 bindings, I'd suggest ones the Flux GM30, Rome Madison, Ride Vxn, Union Milan. You don't want something too stiff, but still supportive.
16 Gnu Swallow Tail Carver . 16 NS West . 15 NS Snowtrooper BIA
16 Burton Genesis X . 15 Now Drive
16 Flow Talon . 14 Flow Hylite