Updated January 17, 2020. Read the reviews on Blue Fusion 1000 Luxury Firm. Explore Serta’s 2020 product catalog. Serta iComfort Hybrid Blue Fusion 1000 Luxury Firm Mattress Review. BedGard 10 … Read the top 112 mattress reviews on Blue Fusion 1000 Luxury Firm | Serta Mattress. Click here for current reviews of Serta iComfort models. This model has been discontinued, but we are leaving the review available for your convenience. Common Praise: The mattress molds to your frame, but you don’t sink all the way into it. Serta iComfort Blue Fusion 1000 Luxury Firm. Buyers say that they like the way to mattress supports you, but you don’t feel like you are sinking all the way down into it. This item: Serta Icomfort Hybrid 14" Blue Fusion 1000 Plush Conventional Bed Mattress, King, Gray $2,298.00 Ships from and sold by GreatFurnitureDeals. Save up to $400 on iComfort ... We've only had our new firm iComfort Hybrid a week, but my back is feeling better each day! Comfort Scale Rating