Greetings to the WRX World!
Have a new 2013 WRX Premium Sedan, my 7th Subaru since 1996, my 2nd WRX, I also owned a STI
My 1st disclaimer: DO NOT DRIVE YOUR WRX WITH THE STOCK SUMMER PERFORMANCE TIRES IN THE SNOW!!!
That being said...I have never driven any car in my life, with dedicated SNOW TIRES.
Your opinions may vary, but I drive All Season Long...on All Season Tires...and never had a problem with them in the snow, mud, wet, dirt trails, or slippery wet road conditions in the spring, or fall (especially with wet leaves on the road)
My 2nd disclaimer: Drive safe and do not speed for the road conditions regardless of the season, keep your eyes all over the road, watch the other drivers, AND give yourself plenty of stopping distance!!!
Below is a pic of new WRX tires: