I totally feel you on the commute thing - mine's about the same, time-wise, and it's probably the biggest reason I'd consider a job change at this point myself. Have you done at least casual checking around to see whether you can find similar opportunities closer to home? Or would you consider a bigger change in what you actually do, not just the workplace? (Since the answers to those questions are currently "yes" and "no, not really" for me, I'm living with the commute for the foreseeable future.)
I'm probably out of line here, but I have to ask - is it the commute itself that's the issue, or your husband's attitude about it? I bitch about my commute often, but sometimes it's really good to have that built-in home/work/home delay as a time to regroup and transition.
Having said all that, wanting to shorten your commute is a totally valid reason for a job change, and if you live in a commuter-heavy area, employers generally understand it, even if the job you're leaving is actually pretty good (this one sounds like it is).