They're both a bit confusing because of the syncopation of the fourth note -- I'd prefer to see (in the 4/4 case) a tie between a triplet-eight in the second beat and a triplet-quarter on the third beat.
I guess I marginally prefer the 12/8, assuming you keep that triplet feel throughout.
(no subject)
I guess I marginally prefer the 12/8, assuming you keep that triplet feel throughout.