3 bands you have never seen that you would like to see at PPUSA

A Helloween Keepers-era reunion..
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I'm very conflicted on this. It would be cool to see, but at the same time I love Deris and wouldn't want modern Helloween to take a year or so off to reunite and such. Only way I would be okay with it is if Helloween and Unisonic did a show together, where half was modern and half was old Helloween (which would be the reunion).
 
Leviathan (the prog band, not the thrash band)
Mezarkabul
a Heaven's Gate reunion (or Redkey, or any group of musicians containing Sascha Paeth and Thomas Rettke)
 
Sticking to active bands that haven't yet played ProgPower.

Ashes of Ares
Electro Nomicon (maybe Diego and Helker might slide one of the EN songs into their set next year).
Trail of Murder
Destination's Calling
Veni Domine
Arch/Matheos
 
Random, but I find it depressing that Freedom Call has done 70 Tons two or three times but - to my knowledge - have yet to do PPUSA.
 
Here are a few bands that I've never seen live, that would be awesome at PPUSA:

Blind Guardian: I've never seen them before, and it would be pretty cool to see them in that environment, perhaps doing Nightfall in Middle Earth in its entirety.

Saga: I don't know if they would necessarily fit, as they're more hard rock than metal, but they are a pretty fun band based on the bootlegs I've heard from them over the years.

Eternity X: Given that the band broke up in the early 2000's, this is very unlikely, but it would be cool to see them in one of the mid-day slots.

Vanishing Point: I am very impressed with their recent CD, and I would love to see what they can do live.

Demons and Wizards: If anyone could get Hani and Jon to come together for a US show, it would be Glenn. Watching those two on the same stage might be the high-point of my concert-going life.

U.D.O./Accept: I've not seen either band live, so either one of these would be awesome at center stage.

Doro: Due to medical reasons, I missed out the last time she played Atlanta, and I've always regretted that.

Eden's Curse: I've been very impressed by their work, and they'd fit in as a good mid-day band.