mortgage at all time low rate until dec 2009 eg o.64% then deal concludes. Mid July receiving lump sum and want to do something with £56,000 between July and Dec 2009 when my intention is to pull the plug on it and plough it into my mortgage prior to new higher rate kicking in , need easy immediate access to this cash bet july and dec, whats the best thing to do with it so i make some short term gains,cheers