You will like the blizzaks. I have those on my stock 19's and they work awesome in the snow/general bad weather.
They are a bit noisier than your stock/aftermarket summer tires on the highway.
There is no replacement for displacement.
2009 G8 GT - 6.0L
Current Mods: 35% tint, VCM OTR, Solo mach shorty cat-back, custom ECM/TCM tune, tinted tails and side markers, red pin striping, sharkfin, roof spoiler, 19"x9.5" Beyern black wheels with 275mm Michelin Pilot SS's on all four corners.
Future Mods: Kooks 1-7/8" LT's, HFC's.
Wish List: Bottomless wallet....