The idea of changing your bedrooms looks for the sole purpose of portraying you are, is the definition of vanity, as this will be a selfish exercise whereby you discount the opinions of others to achieve your goals. Being vane you are going to look far and wide for a source that will be able to supply you with the items required to satisfy the theme of vanity.
A mattress factory of reputation will be more than willing to advise you as to what products they have and the costs of the products they have on offer, or to which store you can go to, where you can purchase their products that is if they do not sell directly to the public, generally most factories have their own chain of stores, where you can buy not only mattresses but bedding and a host of other items you could make use of in your bedroom.
Modernization or remodeling of your bedroom can be exhilarating and extremely satisfying if abide by your theme in the correct manner. Take heed of the color you want show off, this will set the tone of your room, a loud and bright color will require the most modern furniture you can imagine, the traditional type of bed and dresser with the mirror on the back of the dresser will not be conducive to vanity driven design, you will need flashy or audacious furniture made from different materials or unique and obscure materials. The mirror or mirrors should be mounted on independent stands at different levels, or on the wall. The drapes have to be just audacious as the furniture without being the center of attraction, this will be your bed, adorned in luxurious fabrics of gentle shades of the main color, bedding with your initials or motif will enhance the vanity of your bedroom.
You are about to embark on an expensive spending spree to truly achieve the appearance and your need for self-esteem.
It is possible to save on costs, you can use the more durable and easier to care for fabrics such as percale or voile, and knitted or embroidered fabrics are just prestigious and can be obtained in wide variety of colors and patterns, which will assist with your design. Be brave in making your statement, it is not prudent to be conservative when trying to create a theme of self-indulgence.