On broadway you'll find this great futon store. They have all of the smallest futons perfect for tiny sized apartments in NYC. They have the cheaper wooden ones to metal frame ones that are a bit sturdier. I'd definite check out the store because then you can try out the mattresses. Some can be on the skimpy side, so definitely get a futon mattress that's a bit more beefy and has more cushion. The store is relatively small and it's amazing that they can fit so many futons in there! I'd check this place out as their prices are pretty reasonable. The only thing I can complain about is the bright neon colors they have available which may not suit everyone's taste.