I think this is a case of "you get what you pay for".
The Intex Ultra Frame we purchased last year only lasted one season before the legs rusted through. We bought another on clearance this year to replace the legs and are saving the other parts/liner as backups. We also purchased silicone tape to wrap the ends of the poles to help protect the inferior steel.
The filter that comes with the pool is *just* strong enough for basic filtering. You'll need to upgrade to an adequately sized sand filter to get enough power to run a vac.
Just know that everything on these pools should be considered disposable as they are made with the cheapest quality materials.
Have you had the joy of taking down and setting up these pools before? You should really factor in the time you'll be spending every year or two replacing parts and setting up/tearing down these things to compare these options.
If we had to do it again, I would have avoided Intex all together.
Hope this helps! Good luck.