I ended up getting the Cambridge Silversmiths Beacon Mirror set, it's 18/0 steel, but I haven't had any issues with durability and they have a 25 year warranty. Macy's sells the 20 piece set for $40.

Another thing I recommend is to just search 18/10 on a restaurant supply or department store website and look for good deals. Cambridge Silversmiths Rachel Mirror set is 18/10 steel and is also $40 for a 20 piece set