I don't so much get into the Japanese guy belting out MAKUROSSS... but I like the overall theme, which is why the opening song of DYRL(Macross Theme) kicks so much ass!
The Robotech theme is ok... still pretty meh... and I saw/liked Robotech first! Robotech has a lot of repetitive themes... variations of Minmei songs etc... heavy synth stuff and it sounds very tinny/treble-y. While I could say the same thing about the Macross OST being heavy on the treble, it comes through with more oomph on my 5.1 system. Maybe it's because Robotech music was recorded in a church in a single day, but who knows... some parts kick ass though.