...on buying a digital camera.
I have quite specific needs but I know very little about digital cameras. I would very much appreciate any guidelines I could get 
The camera may cost up to $10,000. It needs to manage the following:
1. High quality rapid-sequence photography
2. At least 8MP image resolution output
Any kind of suggestions are much welcome
Quote from TeddyBear1. High quality rapid-sequence photography
what would that mean? like 30fps for 5 minutes? 
if you need like 110 image (JPEG) sequence capacity and 10fps you would need to go for a professional camera like the EOS 1D's
if you need less like 3fps and up to 27 images (JPEG) then a EOS 400D would be fine.
Ah, I'm sorry, forgot to specify there. Yes, 10FPS should do well - I will look into those cameras. Thanks alot 
Edit: EOS 1D Mark III seems to be the camera I am looking for. Thanks again, hessi
what the heck do you need such a cam for?
Quote from TeddyBearEOS 1D Mark III seems to be the camera I am looking for. Thanks again, hessi
EOS 1DMIII (not 1Ds) is the perfect camera then, you have already given the limiting requirement of 10fps (e.g the Nikon equivalent D2Hs is "only" 8fps) . The 1D MIII is more than capable of what you are probably searching for.
Although, given the high price of around 5,500$ (only converted price from current €-worth), you will have to spend at least another 3-4k for appropriate lenses (Unless you already own some) - Depending on the focal length range you're trying to cover.
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