Finally saw these at retail, at my local Target no less...no travelling. Faced with an either / or dilemma I decided not to get either. I have Springer.
In the case of Galaxy Upgrade Prime, I just feel like I already have Optimus, so doubling up just doesn't make any sense to me. The collector in me wants to buy it. The pragmatist who can't get
every Siege figure says you got your Optimus.
As far as the Rainmakers, I will get them - eventually. I dont have my Skywarp (until Monday), and Thundercracker isn't out yet. Obviously, I favor those guys over the Rainmakers in general, but there's a practical consideration too: My shelf space. Decepticons being generally larger, I'm not even sure where Skywarp will go, to say nothing of Thundercracker and Rainmakers.
I have a table I'm going to use for a giant Siege battle scene. Gonna need it for Jetfire, anyway.