Yeah,

Those Lightning units are obviously a brilliant choice in today's welding market, especially since they include extra waveforms for AC TIG, which makes it an advanced TIG unit. I like Triangle wave for thinner stuff.

I've got some 4943 for TIG, but that's good to know about it for MIG too. I mean, 5356 is stiffer than 4043, so it has undoubtedly been the go-to wire for aluminum MIG for some time, but if the newer 4943 is even better, hey great!