The Jet2 policy of single aircraft manufacturer and the purchase of pre-owned aircraft has been the basis of their success to date, therefore I cannot see the purchase of any Airbus aircraft in the forseeable future. The A320 is too large for the main fleet and there are very few used A319 available. The A321 is not as versatile as the B757 whilst the A330 maybe too large for their envisaged long haul operations.