I'm stuck between getting a P3S or a P3A. The P3A has a bunch of awesome features like Lightbridge and GLONASS/AGPS, but the prices is much higher. I can get a P3S as little as $400 on Amazon® but I can get the Advanced for $625. The problem is that I have to save for it. I'm at nearly $200. Of course if I want it by the summer, I'll probably get the P3S, but I would probably get the P3A in the late summer. What are your thoughts?