Firstly I'd like to point out that the tree was shipped first thing in the morning and was sent express! It went from interstate to assembled within 48 hours and I truly respect that. A lot of sellers consider shipping as the least important because they've got your money by that point but things like this really speak volumes about the company and their values.
I previously bought a tree from Kazoo and was blown away with the quality. It's the same as sold here except Kazoo only stock one type and I wanted something taller, that's how I found Cat Tree King. This tree has the same 60x60 sturdy base, massively thick poles and a deluxe-sized bed. Owners with bigger cat breeds know how hard it can be to find something appropriately sized for our kitties!
When it comes to the quality of the parts, these trees are unmatched. The base is incredibly heavy as the tree's anchor. The sisal poles are large and withhold a LOT of scratching; 3 years on and they're holding strong. The bed on this model is smaller than the 60x60 base but I was happy to trade that for the platforms that help my cat reach the top.
The bed's pillow is not as plump as the Kazoo model which is a little sad. On the other hand, we're getting good bang for our buck on the tree itself and we can always go the DIY route and add some stuffing. Also, my 3 year old cat makes the choice to sleep on this bed instead of the shorter-but-plumper Kazoo model so I might be overthinking it.
Finally, the stability of the tree. Perhaps I didn't assemble it correctly or my 8kg cat is larger than they were thinking for this tree but it does wobble a bit. When my cat climbs up to the two platforms on the tree, it rocks a little but it shakes the most as she makes the final jump onto the bed. It's not to a point where I'm concerned it'll topple over but it's more than I'm comfortable with.
It will rock back and forth with a gentle nudge of my hand, more so towards the top as the base is quite sturdy. My current plan is to purchase a second tree for my kitten (this same model) and bolt them together. It looks like the base and the bed will touch if placed side-by-side and hopefully they'll steady each other if they're braced at the top and bottom. It'll also give me a chance to check the stability of the second tree as I'm building it and see if I can improve it in some way to help others with the same concern.
Overall I love the height of the tree (the bed is eye-level for me) and the quality of the materials used in it's construction. Cat Tree King have competitive pricing and shipping is fantastic. I'd highly recommend any of their trees for those who are on the fence, you won't regret it!