$4.00/Gallon Gas at Pump by End of Spring - Good or Bad for US?

With oil average price @ $27.39/barrel in 2000, hitting $108.21 so far in 2008, and projected to rise to $120/barrel by end of year and 5-year commodity prices going @ $200/barrel, is the $4.00/Gallon price 'Good' or 'Bad'?