BB is it really good.

[mark]

I run BB, I'm happy with BB, and can't see going with sand but I do have to admit a maintained sand bed looks great, allows things I can't have and would make placement a little easier for things I do.

DSB, if required for NO3 reduction, can work in a display with a little effort. Believe though for the ease maintenance go RDSB and if want sand in the display for looks, go shallow sand bed.