Ever since Ted and Diane Brewer first met on holiday over 20 years ago, they've dreamt about having a place of their own in the sun. With retirement approaching and Ted's kids grown up, they now feel the time is right to take the plunge. Laura Hamilton shows them five properties for their £110,000 budget around the Mojacar area on Spain's Costa de Almeria, but will any of them match up to Diane's vision?