Collapse of the pound against the Dollar, and to a lesser extent the Euro, mean British holiday makers will find their break in the Med, or their Disneyland trip, much more expensive this year.Research from moneysupermarket.com reveals it will cost Brits nearly £300 more for every $1,500 spent in the States now, compared to this time last year.For European travellers the outlook isn't much better, despite the pound's recent rally against the Euro holiday makers will still pay around £85 more per €1,000 they spend this year, compared to April 2008.Peter Harrison, travel money expert at moneysupermarket.com, said: "There can be no doubt the weakening...