http://www.wjla.com/articles/2014/03/obamacare-many-top-cancer-hospitals-off-limits-for-newly-insured--101300.html
In any event, things do not appear to be as bleak as I thought. Two plans in NY cover Sloan Kettering for example, which is pretty much all I would need. So, in a situation where I may have to leave my job for disability reasons, I'd go COBRA and then hopefully convert the COBRA plan to an individual plan (currently vetting with our human resource person whether there is an increase in premium). This basically should give me the same coverage I have now. Alternatively, I can go through the ACA exchange. If I do that, I have to be extremely careful that the plan I choose covers the major cancer centers in my area. From what I understand, that may not be that easy, but apparently it is doable.
This covers me until I can go on Medicare or my wife finds a job. When I become eligible for Medicare, question is whether to enroll into Medicare. If I've done an allo transplant by then, I would probably do it (assuming I am still around and kicking

Anyways, I am getting ahead of myself here and I am somewhat obsessive compulsive about this, but talking through all of this on this great message board may be helpful to other young myeloma patients.