i seen one that was supposed to be coral that didnt look to bad like plastic but yes i agree on the driftwood one, the colors were a little to bright, maybe if u got some moss growing on it or something? im thinking about trying one, but to be honest, i have HOB's on all my tanks but my 10 and it has a sponge, and my 10 looks the best of all of them, i might be sold on sponges.