Perez will do very well at McLaren. I'm happy he got the spot.
I'm not sure why Hamilton moved to Mercedes though, especially with a spot at Ferrari probably opening up. I'm not convinced by Mercedes at all. Rosberg isn't a bad driver, and even an old Schumacher is still probably skilled enough to compete.
It's true that Ferrari doesn't do equals, so I guess that is why Hamilton won't be going there. I always thought that was a damn shame about Ferrari, and one reason I cannot really root for them as a team, although I like Alonso. How much fun would it have been if when Ferrari was dominate, there was a driver alongside Michael that could challenge him.
As for Michael, does he retire? Honestly, it's been sad seeing his run of form. I'd like to see him in a Ferrari one last time, although I doubt Alonso would be happy with that. Those two egos would clash and it would go against their model.
I see Kimi staying put at Lotus. They are within striking distance of Ferrari for third in the constructors and Kimi is currently third in points. It's a good fit.