We had a different model from this same brand and it was awesome.  My two cats aren't very big, but they use their tree daily and the old one stood up well to constant daily use for about three years.  The old one was looking a bit rough and we were moving so we ordered this model for the new house.  It's also great, but a bit taller than our last one which means it has some wobble to it.  My cats love the top platform of course so that's all that matters.  If you put it up against a wall it helps give it some stability.  My cats also don't seem to notice or care that it wobbles a bit. I like the plush fabric and it's in a good color vs. other brands that sometimes use ugly carpet.