I had some play sand I got at Lowes years ago. Never again. The sand was so fine that I had constant problems with anaerobic pockets forming. Also apparently the type I used was really high in silicates so I had almost constant problems with a type of red algae. This wasn't a planted tank mind you.
Pool Filter sand +2000. It's a lot more course, so it doesn't let the anaerobic pockets form that easy. I never had that problem with pool filter sand. And, IMHO, it looked a heck of a lot more natural than the play sand. And no problems with high silicates. The only downside is that the edges can be sharp, so depending on how you wipe your glass down if your not carefull you can scratch the crap out of the tank.
I know playsand isn't the same thing as the quick-create sand. But I was thrilled with the pool filter sand. I don't remember how much it was off hand, but it was right down there with the rest of it in price, cheap for at least a 20-30 lbs. bag from the local pool supply store. And the extra pool filter sand I had laying around has helped me get my van unstuck a few times this winter...