I have a Skywalker Trampoline that I bought at Walmart for $450.00 and I've had it for 2 years now and it's gotten a lot of use and still has lots of life left in it.
Bounce Pro Trampolines are also good and is what my friend has and it's been a great trampoline that was a little cheaper than mine.
I'm however looking to eventually upgrade my current trampoline once this one wears out and get the Acon Air Sport trampoline but it costs almost $2,000.00 but I'm saving up for it to replace my current trampoline.