need help on picking out a suitable sps for my reef

[Blitheran]

quick overview my tank Is 55 with hob filtration and skimmer and I have 4 fish and 2 corals right there just lps Im looking for one really good and hardy sps so i was thinking-red montipora-pink birds nest-or any ideas?ps my parameters are good not dosing much just doing mainly trace elements

 

[Reefing Madness]