I've wanted to build a 6238 for some time, but sourcing the dial has always been the problem. Only the MQ (both silver and black) have impressed me. The JAW 6238 is a distant second (lots of inaccuracies with the text), while DW's effort was ruined by the terrible subdials found on his newer dials. Additionally, I'm not even sure if DW ever got around to making a 6238 dial for the V72. The other options for the 6238 are the cartel dials, but these were only made for the 7750 and for the Sea-Gull ST-19.
Mind you, I've never seen either MQ dial up close, and I don't know anyone who's finished a build with one.