shiny polished porcelain wall tiles for bath/shower room - high maintenance?

[mulranno]

also live in a hard water area.....would they make my life hell?

I have just spend an hour and used half a bottle of anti-limescale bathroom cleaner on the tiles and grouting in my very small bathroom in a hard water area. However, I only have to do that every 2-3 months.
It doesn't show, but you can feel it (bleuch).

Depends what colour tiles and how often you clean We have black ones which need polishing more than cleaning (and I would never get again), and white/cream ones which are ok with a squeegy after use and whatever the cleaner does with a micro cloth once a week.