between the reefer 170 and sca 50, go with the red sea.
after you do the upgrades on the sca, you will be closer to the red sea cost.
plus if you want to upgrade to a bigger tank later, red sea will sell faster, a lot lot faster.
not sure what you meant by all in one, as reefer 170 and sca 50 both use sumps and not AIO tank.