Personally, I love the look of a good mature SPS tank but I do try specifically to avoid selecting SPS-only tanks repeatedly because not everyone is into that, so we do try to at least alternate with something else.
We don't specifically target large tanks... The last one I put up wasn't a particularly large setup and it wasn't
that long ago
Here's the link in case you missed it:
http://www.canreef.com/vbulletin/showthread.php?t=91591