] A retro science-fiction epic set in Victorian England,
] Steamboy features an inventor prodigy named Ray Steam who
] receives a mysterious metal ball containing a new form of
] energy capable of powering an entire nation. This young
] boy must use it to fight evil, redeem his family, and
] save London from destruction. The lush Victorian
] interiors and the elegance of the era's mechanical design
] allows Otomo to create dazzling visual backgrounds and
] machines for this film. With more than 180,000 drawing
] and 400 CG cuts, Steamboy is sure to be one of the most
] elaborate animated features of 2004.

Looks pretty good from the trailer.

Sony Pictures - Steamboy