OP, why aren't you also considering moving?
OP here: We
just bought our house last year. I tried very hard at the time to get my husband to pin down where he wanted to work for the foreseeable future. He was pretty set on Maryland (and had already worked there for ~6 years). I have been looking for jobs closer to home so my commute would suck less. Moving to NoVa wouldn't do me any good in terms of commute I expect, even with the silver line. Plus, we really like our house/neighborhood/town.
If we did move, it wouldn't be any time soon.