Buy them here, you get full lifetime warranty, free balance, rotation, free flats, etc. The name of the store is Americas Tire, they are in Nor and SoCal
Car & Truck Tires, Custom Wheels, Car Rims & Truck Rims - Discount Tire
Bridgestone Potenza S04 Pole Position is a great tire, there are many options ... but it's like a movie, one guy tells you it is great, the next guy says it sucks.