So what's happening with this change is that you can play in any league you want as long as you can hit that rating. You can even play in Champs with a Bronze deck if you have the rating, you just won't get the full rewards with 9,000 SPS.

So if you enjoy playing in Gold because it's more fun, definitely do it. And yes, with 9,000 SPS, you won't get the full Rshares when you win, but SPS might be a different matter. Consider this scenario whereby you have 9,000 SPS, but majority of the players in Gold only have 1,000, your SPS battle reward should be higher as the the 1,000 SPS players will get less from the Gold League SPS pool, which means the pool won't diminish as fast. This would mean you with your 9,000 SPS will be able to get more SPS from a less diminished pool. This part is a little tricky and we won't really know how it will actually pan out till it goes live.