Yes,you don't need it everywhere but up in the mountains it guarantees you can get around. I lived up there with fwd and AWD for 15 years and the AWD got places where the fwd definetly couldn't go. I guess if you live in the flatlands it's not that big of a deal tho'.
'12 Focus Red Candy SE Sport 5 spd
'99 Toyota 4Runner Sport
'11 Subaru WRX STI Hatch