There is a lot of information about wedding bands. In fact you could spend weeks just going through the thousands of sites that have a lot of good information about wedding bands. There are many new metals used in wedding bands. There is a lot of buzz right now about cobalt chrome wedding bands. These are a relatively new alternative metal. They look much like platinum or palladium but at a fraction of the cost. The big problem is they can’t really be resized. If you gain or lose a lot of weight you are out of luck and will probably have to get a new ring. Most manufacturers have a lifetime sizing warranty so it won’t be too bad for you.
It is hard to know if you should get a platinum ring or go with a cobalt chrome band. One the one had you have to spend a lot of money for a platinum ring. On the other your platinum ring can actually go up in value. So there is a lot to consider and often times research can be the best way to make sure you pick the right ring for yourself.