I'd have anything but quality concerns about a Japan-made Jackson...
Anyway, addressing your original question: I've bought a Caparison Dellinger II SE recently and it's quite possibly the best guitar I've ever owned or played. The neck is a bit bigger and has a different shaping than an Ibanez Wizard neck (which is perfectly fine with me), but is still in shred-territory. The TATs are quite similar to the Dellingers but feature a neck-through construction, which makes em sound brighter than Dellingers (especially if it's an alder body TAT). That's the reason why I chose a Dellinger over a TAT, I love maple necks but I don't want em on a neck-through construction...
The Horus has a shorter scale (24.75") and the famous 27-fret gimmick going on. IIRC it has also a slightly thinner neck than Dellingers and TATs, but don't nail me on that one. Most models are available as special HGS-versions for downtuning/Heavy-Gauge-Strings too, with an adjusted bridge.
The Schaller Floyds you will find on their guitars are of excellent quality.
The Ibanez J-Customs are definitely great axes, too. In the end, with these guitars it isn't that much a question of better quality anymore rather than certain player preferences.
Ran Customs: great and unique, but they're getting more expensive by the minute and the (ever increasing) waiting time is something to consider, too.
You might consider a nice Charvel too and, of course, a Stinnett custom.
![[Prime]](/data/avatars/s/138/138439.jpg?1472440784){kind=avatar}
