These are ugly boxes that no one needs to look at.
An elite case could be something like the PC-CK101. It's beautiful, and actually works(the movement is kind of silly, and not very feasible). It cost me about $350, but every time I look at it, I feel like it's worth it.
Granted, looks are subjective, but these things make no attempt at being anything but simple boxes. If you want a more functional definition of elite, their gruesome appearance is fine, because no one has to look at them, but then why even consider these knock-off brands, and not just get a SuperMicro? They're more attractive, infinitely better designed, and far better supported. They also make the best motherboards money can buy. They are a real server company, so if you're serious, that's the way to go.
These knock-off companies don't have the experience, reputation (nothing says quality like SuperMicro), or long term support for their products. If you're going to pay that much money for a case, either get some really nice looking (or unique, or both), or at least consider something from a company that only makes high quality products, and has been doing it for a few decades. Their designs are very mature, and very refined.
I can't say they're the best, because I haven't tried every brand, but they are clearly less riddled with problems than the normal cases from lower-end makers like Lian-Li (although I still buy them, and think they're fine for their price.). But, when you're talking around the $400+ area, you don't get a pass for "fine for their price". You better be near perfect, or exceptional in some detail. Because at that price, you are competing against the lower-end of real server boxes, with much better support. It's not clear to me these boxes justify the cost.
It would have been interesting to include one for comparison. Even if you don't need it for a server, they are very nice cases, with so many more options directly available from the manufacturer. It's worth a look, if you have a part 4.