Angus Young has always used Gibson SG guitars throughout his career. If that is within your budget, a model such as the '61 Reissue or even his signature model would be a great choice. Epiphone also makes a few cheaper versions of the SG. For Malcolm's tone, a nice affordable choice would be a Gretsch G2210 Streamliner Junior Jet Club, due to its Broad'Tron pickups.