kws

i think now is too early for talking about winter tire. Because i am not living in vancouver, so i need to order it and shipping to here.
i am driving a 350z track pack. i depend to buy a 17"X8, off set is 38, do i need to buy a differnt off set for front and rear wheel? and 17" is good on TCS ??????

and tire wht size should i buy ????

and what driving condition with winter tire on snow?????

thanks for help