I like BSRs, as long as they look reasonably mean and military. The early Anime “Battling Siezure Robots” that move like metal ninjas? Not so much. CAVs are much more my speed. But that said I recognize that they’re unlikely to see any kind of real use, even though never is a long time.
Everything in its place, though – I like classic mil spec sci fi, Heinlein and Drake, mainly. Powered armor as A-OK, as are tanks of all kinds, including the much maligned Grav Armor. Generally I keep my sci fi reasonably “hard,” but I make allowances for things being cool but impractical.