>>11312042I'm biased, so I have to recommend the Super Mini-Pla. They're model kits you have to build, but that's half the fun. About 6 inches tall, shitloads of articulation, and as a side effect of them using the same joints a lot, you can mix and match with other kits to some extent.
They did a new run of them when they changed from Super Mini-Pla to Shokugan Modeling Project, so you should be able to find them on the aftermarket, or they recently released a clear plastic version of the Megazord, with Dragonzord in preorder right now.
You can hunt down Titanus too, or wait for the Clear version, and it's motorized.
If you have way too much money and space, Altara has a Megazord that's like, 2½ft tall that you put together piece by piece, and the whole thing will cost about $1k.
If you have not that much money, but still plenty, Flame Toys has them, but stylized. Like Megazord has wings now and shit.
Or you could try to hunt down the Soul of Chokugin sets. About the size of the old DLX, but collector quality.
And there's still more options for the Megazord, like those ones that turn into cubes.
There's not so many choices for the Dragonzord, but someone could make a ln actual collection from just the Dino Megazords out there.