Rowenta and T-FAL are the BIFL iron brands. Use and type of clothing don't matter when buying. Some models come with a sacrificial anode so you can freely use tap water, otherwise best practice is distilled water use.

Boards are harder as there is no consensus and this varies more on YOU than us as some like small ones, some large as this is an ergonomics question vice lifespan as there is no lifespan winner. A piece of wood wrapped in an old wool blanket will do in practice.