i dunno if you picked a male yet, but if i had to pick one, it would be the one on the right, less leaves through the 'bud' sites will make for an easier to trim bud,
unless of course you want the bushiness of the other male,
why not use pollen from both males but mark the branches you apply pollen from each to,
so put a marker of orange tape on ones pollinated with the plant on the left and a blue tape on the ones for the other plant
that way you'll be able to see if there is any phenotypic difference between the two males and choose based on the offspring which to continue with