Philly is an awesome accent when you get used to it. I lived there for 15 years and even though I've been gone for 10, if I get angry I switch back to a Philly accent. Unconsciously. It's just so...expressive when you are psycho-crazy mad.
As for the job? You'd love the states. Its a lot of fun but honestly, I don't like the sound of the job security. If they want you bad enough to ship you off 5,000 miles they can freaking give you a better than 3-month guarantee and no ride home. Its a bad deal. If they sweeten it, don't worry about the lingo or any of that garbage. You'll have blast.