ONE luxury item? Bah, why limit it? I've hike with my BA TripleCore pad....25x78x 4.25" 4lbs while also using a BA Copper Spur3 while solo. Also carried 3 stoves so I could cook 2 items at once and have a backup(but the wood stove was mainly to support the alcohol stove and pot), yes I'm a raspberry crumble addict.
I see a chair in my future too.