We demonstrate that GaMnAs films grown with As-2 have excellent structural, electrical and magnetic properties comparable or better than similar films grown with As-4. Using As-2, a Curie temperature on post-growth annealed samples of 140K has been achieved. Also films showing metallic conduction have been obtained over a much wider range of Mn concentrations from 1.5% to 8% than has previously been reported for films grown with As-4. The improved properties of the films grown with As-2 May be related to the lower concentration of antisite defects at the low growth temperatures employed. (C) 2002 Published by Elsevier Science B.V.