Seems like a good opportunity, may as well pursue it as best you can and then, like jayseven says, turn it down later if it doesn't fit in with your plans.
My job situation took an interesting twist this week. The President of the company called me into his office having heard I was thinking of leaving. Made me talk through all of my issues, where I really wanted to be, agreed with what I said and then said he would come back to me next week with a new job/agreement and that he hoped I would stay. I have a pretty good idea the kind of thing it's going to be and if that comes up then I think I may stay put for a little while.