Could someone please enlighten me on this subject. I am not really sure what the overall difference would be in these two are far as quality and why. I have heard good and bad things about both. I grew up with a plaster pool and it didnt have to be re-finished until 15 years after install. Not sure if it is worth the $6,000 upgrade cost. Please feel free to chime in (we would be looking at a dark (peeble tec or a dark plaster).