The extra springs are $35/each. Life of the strut really depends on driving conditions and amount of usage.
If you want a softer ride for harsh road conditions I can drop the rating by 1-2K.
We are located in Durham. I don't have the VIS hood for your car in stock but I can order it. Let me know if you are interested and I'll check on price and availability on Monday. You would save about $30 shipping on the coilovers however I would have to charge you sales tax if you pickup.