LEGO Pirates, ahoy!
LEGO has a new Pirates theme for '09, including this largest set, "Brickbeard's Bounty" (6243), reminiscent of the classic "Black Seas Barracuda". New improvements include working, spring-loaded cannons that fire, new sharks that can actually eat minifigs, and a new mermaid minifigure.
Brickbeard's Bounty listing [Brickset.com via Brothers Brick]
Catalog Page [Shop.LEGO.com or Toys 'R' Us]

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Some of the old LEGO Pirates cannons were spring-loaded. I can't recall if they replaced or were replaced by the lame finger-flick ones though.
yeah all my old lego pirates stuff from the late 80s early 90s have spring loaded cannons.
Yeah, they were original spring-loaded, then flick-fired, now back to the good schtuff.
Ohh. This will sit well next to my "Black Seas Barracuda"! Now if my wife will not kill me for buying more LEGO's :D
Between Lego Pirates and the earlier Lego Space sets, I think you can pretty much account for 75% of my childhood free time.
I just soiled myself with joy at this news!
Wait a minute? Spring loaded cannons existed up until some point (around 1990?) and then they switched to non-firing cans. But you can flick the non-firing cans to fire them?
I last got a LEGO Pirates set around... 1987? When I was 6.
Sharks that can devour minifigs warrants an upgrade, me thinks. Plus, I can have two ships to wage (fun and humane) war with the cats.