Aight Saurav Ojha aiight!
Ok we are getting to the plateau of your autobiographical details, first you are from Nepal currently residing in Britain, working there (not sure whether you or your wife is a nurse???), married (giving some vibe of happily married), recently gotta green card, giving second thought on your moving, and moving not sure whether east or west coast, probably around west coast...
Hmm... ASL details...
Well, Pal, that is too honest yar! Be aware of those lurkers on the internet these days. God forbids if they know your real name and real identity, you will be in a big trouble. It seems that you are feeling so comfy in your not-so-racist England right now, but watchout!!!
To be honest, I am not sure how to give suggestion and advice, but I would say, here in the states you will find plenty of books on "HOW TO..." "WHERE TO..." "WHEN TO..." "WHOM TO..." for your assistance, and they are national best sellers too...
Sorry I was not that much as a help for you. But happy moving!
Good luck!