I've talked a bit about decorating solutions for small bathrooms, because when you don't have a lot of space, it can be difficult to find a way to fit everything you need into the area you've got. But having a really big bathroom presents a few problems of its own. Sure, you have all the space you need for your dream soaking tub and a big, roomy custom shower. But finding a vanity sized to match can be a little more complicated, especially if you're looking...