If you've been out shopping for a mattress lately, you've probably already noticed that a variety of construction options exist at almost every possible price. So, which one is best for you?There are three broad categories of mattress construction:InnerspringMemory FoamMemory Foam HybridYou are probably most familiar with the traditional innerspring construction, where a series of linked springs form a single unit. This design generally offers the most attractive prices, while still delivering...