Unfortunately, he could be gone after the year (I think he will be)
Don't be so sure. The Yankees have the deepest pockets, and Boras knows how to get money for his players. Steinbrenner can make things happen - I think this would be one case where the Boss would step in and open the pursestrings - even if it hasn't happened in awhile (at least since the Sheffield acquisition). Unless A-Rod completely bombs in the playoffs (if they make it), I don't think any other team (outside of Boston and Los Angeles) can afford A-Rod. And both of those teams will need to lose some salary off their current payload, hurting their chances. It's possible he'll leave, but I don't give it better than a 70/30 chance.
And, A-Rod just bought a new house in Connecticut...