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Hohum, tried (knowing I would fail) to get them to revert to the older price. Politely protested that increase prices subject to availability was fine but that the hike in this instance was pretty darn steep. Well, no harm in trying.
Thanks both for your answers. dzug- unfortunately the site I chose was the cheapest from a huge selection on a couple of comparison sites (though still far too steep!! :) )
SJP- Looking into ur tip and hoping I can reduce the cost a bit.
Thanks both!