After messing around with different options I have narrowed down my problem, so maybe this will get me the answer I am looking for.

If I attempt to create a 'New' doc my brushes don't show and my text is so freakin tiny you can't see it.

So I created a New doc using the preset 'default photoshop size' and my brushes and text were the size they should be.
It is only when I am trying to create a New doc using the custom preset that I have this problem. Does this sound familiar to anyone?