I actually finally just played a gotg and SW pro in the wild. I've also been thinking about getting a SW premium myself. I enjoyed the game, mainly probably due to the theme and music, but the speed was fun to. The game was hard. My son and I both got our butts kicked. As I was playing it though I couldn't help but think how basic it really was. The Gary Stern comment of being able to put lights in a box along with star wars theme and it will sell regardless kept irritating my thoughts. The thought of $5-7k for it started bothering me even more. It's literally just a couple ramps, orbit, and oddly used pops combined with movie clips. Like I said, I enjoyed the game, but I feel like I'm paying for the movie clips and sounds, and it's bothering me. IDK, I may still end up with one eventually due to the very strong theme, but I need more time on it. I would strongly advise you do the same.
As for gotg, it looked nice, but I didn't like it enough to ever consider owning it. Again, something about it feels off compared to my slightly older Sterns.
PS- I'm sure if I owned a SW premium in home, I would enjoy it a lot more, but man it was a tough game.