Haha bro, as I remember your residential is still under construction, so fast wanna survey Sofa already? Yeah Cellini is the modern designs which I usually like, their show rooms at MV / The Garden is usually expensive and costs around 8 - 12k for a decent one. The one I engaged (3 years back) served as distributor to Cellini, his factory is in Sg Buloh, 40% focus in domestic market and 60% exporting it outside of Malaysia - specialized in ACASIA fabrics. Knowing the young boss, he did gave me excellent services at reasonable price + some freebies, and came to my house to advise and customize in fitting it with TV console. I do think the foams is quite important, as it defines how long a sofa will lasts. It ranged from Normal foam (1-2 years) --> High Density (3-6 years) --> High Resilient (7-10 years). If I remember correctly, it is given 10 years warranty for the HR foam. After few years for now, god bless it has no issue. Specially attach the real pic for your reference bro, it is 9 ft x 9 ft. 

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