For me:
1. Superman Krypton Coaster, Six Flags Fiesta Texas
The cliffside setting of Superman wins it for me.
2. Medusa, Six Flags Discovery Kingdom
A very solid layout.
3. Kraken, SeaWorld Orlando
Another 'classic' B&M.
4. Bizarro, Six Flags Great Adventure
Umm...?
5. Dæmonen,Tivoli Gardens
I did like this, but it was very short. Extra points for being different too.
6. Batman - The Dark Knight, Six Flags New England
Quite fun, but quite short!
7. Rougarou, Cedar Point
I rode it as Mantis, which is basically the same thing, and thought it had a nice layout. A monster of a B&M!
8. Hydra the Revenge, Dorney Park & Wildwater Kingdom
I actually quite like the Jo-Jo Roll, but the rest of the ride is relatively dull.
9. Scream!, Six Flags Magic Mountain
Nothing really wrong with the layout, but it's just a bit... ****?
I should be getting these two this season, so I'll have to see where they rank - I've heard good things about both of them.
Superman / la Atracción de Acero, Parque Warner Madrid
Dominator, Kings Dominion