The Gold + Extra Firm Support is available at Sleeping Giant. As you would expect this mattress feels firm and hard, and is deficient in terms of comfort.
GOLD + BALANCED COMFORT
The Gold + Balanced Support and Comfort is available at Sleeping Giant. It has a nice mix of comfort and support and is a good value option under $1000.
GOLD + FIRM SUPPORT
The Gold + Firm Support Mattress is available at Sleeping Giant. As you would it expect it has a firm and feel, and partner disturbance is minimal.