You should consider moving because of the benefits that you will get with the expansion of Medicare. However, there are other factors that should be kept in mind before you decide to move. Some of these include cost of living and family.
Nevada can't expand Medicare. It's a federal program. Some states add pharmacy assistance programs on top of Part D -- and some of those programs are better in one state than another -- and some states might pay more poor seniors' Part B premiums than others. But other than that, Medicare is Medicare.