8K855 DELL DIMENSION 2200 POWER SUP 145WWarranty:90 DaysOur free shipping and air shipping rates are for items under 20 lbs in the lower 48 states. 99% of our orders qualify for free shipping. The most notable items that don?t are servers and server racks and TV?s. Many times these items must be delivered on a pallet or are too large even for a pallet. We will contact you and let you know what the additional charge for shipping will be before your credit card gets charged. We discount our cost on the shipping significantly as well. When you place your order an authorization is done and we do not actually charge your credit card till we ship and we will not ship till we get approval for the additional shipping cost from you. Our additional cost on large plasma and LCD tv?s is around $200-250 and we generally add $125 to the customer.