"Six half dozen of the other" is a common phrase that implies the options being considered are similar or equally good. Some synonyms for this phrase include "six of one, half a dozen of the other," "different sides of the same coin," and "same difference." Additionally, "you win some, you lose some" and "nothing lost, nothing gained" convey a similar sentiment. Essentially, these phrases suggest that the outcome will be essentially the same, regardless of which option is chosen. Overall, these idiomatic expressions convey a sense of evenhandedness and indifference towards the options being considered.