There are no other B&M Launched & Dueling coasters that I know of. 
 
The Dragons are a walk-on when the park opens, then no more as the public makes its way to the Lost Continent :( 
 
DD is great fun, IMO, more fun than the Hulk due to those near-misses. I agree with themeparkne on what he said about them. 
 
The Hulk & DD are big hits, so it's likely B&M will build another coaster in the park. After all, they built Kraken up the road and Kumba & Montu near by. Since there is a Floorless nearby, it would be a Hyper. Or not as IOA has a height limit. After all that's why Hulk is launched and has aircraft warning lights on its high points. A B&M Flying coaster perhaps to succeed SW5? That would make another first for IOA, well in the US. 
 
IOA has Universal Studios to the right, US City Walk in front. Please refresh my memory, what's behind and to the left? 
 
You could say Florida is the B&M Capital of the world!  
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Home Park - Wonderland Sydney, Australia.
 *** This post was edited by CoasterGod on 3/3/2001. ***