Amazon has the pre-order for the Blu-ray for $195 and the DVD for $148. Ships August 24.
Blu-ray: http://www.amazon.com/gp/product/B0036EH3WK/ref=oss_product
DVD: http://www.amazon.com/Lost-Complete-Collection-Naveen-Andrews/dp/B0036EH3WU/ref=ed_oe_dvd
Blu-ray: http://www.amazon.com/gp/product/B0036EH3WK/ref=oss_product
DVD: http://www.amazon.com/Lost-Complete-Collection-Naveen-Andrews/dp/B0036EH3WU/ref=ed_oe_dvd