Never done that, and to be honest I would rather take the stress out before with booking and spending say £50 more. That said Air BnB really is changing the game
Funnily enough I was going to mention Monzo earlier before Glastonbury drew me back in. Used them for a while and yes they are quality - not used abroad myself yet but there is a forum linked directly to the bank and it only says good thing about overseas, its also pre-paid and you can top up...
Thats what I was thinking - if you are taking £1k in cash on holiday then your holiday must have cost a fair bit.
For me I take a little bit of cash like £1-200 which is just pocket money and spend the rest on card, overall you will not lose much and in relation to the whole holiday its not...