Whereabouts are you from? <a href=" http://jts.co.uk/ventolin-inhaler-amazon-uk.pdf ">ventolin uk online</a> The 2DS is cheaper because it lacks that hinge and includes the ability to build the two "screens" on the 2DS with one LCD panel and a plastic bezel. The cost of manufacturing the 2DS with a single LCD panel and a single enclosure is certainly less than the cost of building a device with two LCDs (one with glasses-free 3D) and two enclosures connected by a hinge.