Dude, you're fucked when you get to the 90's though cuz then they jump up to the 100's at Park. It's too big of a jump, I was using the 90's for sets of 10 on shoulder press, went up to the 100's and I just about died getting 5 reps.
Congats on the 80's though, every time i conquer a new set of dumbells I feel like hercules