I am looking to purchase a digital SLR camera. I am not a pro, but not a rookie. After finding out that my Canon lenses (from my 35mm camera) will NOT work with the new digitals (despite the salespeople assuring me that they would!), I decided to look at some of the other brands. Some of the cameras I've looked into are the Canon Rebel XTi, the new Sony Alpha100, the Nikon D70s and a couple other. I do need to stay under $1,000 budget-wise. I wouldn't mind finding a good used one either.
Most of the photos I take are of horses, horse events (horse shows), pets, and dog events (such as agility). So lots of action shots, lots of movement, lots of cropping of photos, some indoor but mostly outdoor shots, use quite a bit of telephoto lenses, have to move around alot to get the shots, etc, etc.
Which camera would you think has the best feature for those uses/needs?
Thanks a bunch 


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