That makes sense. Check out a red montipora. there are some really cool options and they're not tough to keep. The caps grow quick, but might take over a 10g. I'd probably look at a digitata. You could also get some acans, but if you go that route, make sure you feed them. Of course as already mentioned, you have some reds in zoas, shroomies, and blastos, you could also try your luck with a lobophylia or spend big bucks for a scolymia. I'd avoid the gonipora they have to be fed high nutrient food to keep alive and in a 10g, I think you'll constantly battle nitrates. Good luck, and make sure to post up some pics of whatever you decide on.