Simon,
I'll try to give feedback on each submission:
* With respect to
#48, 49, 51, I think the happiness of 48 and 49 is preferrable.
* For
#52 and 53, I'll admit I was expecting anything that clever. I'd be curious to see a version of those where the text is either the green of
#48 or the purple of
#49Thanks for taking the time to submit,
John