If you're looking for a machine that's made out of metal but prints in plastic (like the one you linked to) there are lots to choose from in your price range and below, like this one: https://www.amazon.com/Printrbot-Ass.../dp/B00IYC60IM.
If you're looking for a machine that actually prints in metal, then you'll need to adjust your budget upwards by a factor of 100 or so. Then you can get one of these: https://www.eos.info/systems_solutio...nt/eosint_m280