If I were the OP, I'd wait for the announcement of the changes to the loyalty program before I decided to more.

For what is worth, it is hard to beat the IHG redemption levels, which is part of the reason I defected from Hhonors. Comparing Hhonors Diamondb to IHG PC Platinum, the later gave me more consistent benefits and much better upgrades, including free breakfast in several places...