Ambrose,
Out of the speakers listed I would suggest the Dali's might be best choice and easy to audition, if you are buying the PMC's second hand and you decide you do not like them you should have no difficulty selling them on, these would be my second choice.
You mention 'out of reach of little fingers' but be aware none of these speakers will sound their best if mounted way up the wall.
You would, ideally, still need to mount them so the tweeters are approximately level with your ears when in your normal listening position.