I dont think the RSM looks all that bad....I would move the paly rock down if you can, to make room up top for more light thirsty corals.....Another suggestion would be to keep your eyes open at your lfs for 1 or 2
really unique pieces.....thats what I do anyway, try to find the oddest shaped pieces you can as they usually make for more interesting looking aquascaping...I always tell people at the store to spend the time and effort to get it the way you like it(and then dont touch it

) before you have it stuffed full of corals and are limited as to what you can do. It took me the better part of a w/e to get the tank where I was happy with it and I am sure glad now that I did all that farting around. Mess with it til your frustration level reaches critical mass and then count to ten or take a break for an hour and try again

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260g mixed reef, 105g sump, water blaster 7000 return, Bubble King SM 300 skimmer, Aqua Controller Jr, 4 radions, 3 Tunze 6055s,1 tunze 6065, 2 Vortech MP40s, Vortech MP20, Tunze ATO, GHL SA2 doser, 2 TLF reactors (1 carbon, 1 rowa).
http://www.canreef.com/vbulletin/showthread.php?t=50034 . Tank Video here
http://www.vimeo.com/2304609 and here
http://www.vimeo.com/16591694