Advise SLR, please

I would have taken a couple or three good lenses for the same amount as the SLR. Each lens gives a picture. Changing the camera will do nothing IMHO. A full matrix of course preferred, but I would focus on optics. Yes, take even the EOS adapter=>M42 and try to take pictures of Soviet objective, the picture is quite different. The extra-wide-angle, teleobjective will give you greater scope for creativity than just another camera.

I on your place took BU 5D mark 1.
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And so there is sense to look at the 50D,500D,40D + 17-85mm is with the expectation of a subsequent change of a lens at L, well, if you want to make levelap:)

Suggest the Canon 50D or 7D. Or to dig up to get the 5D Mark IV, he on the advice of Ken Rockwell the best for landscapes.

IMHO 450d and a couple of good lenses

I agree that better lens. go for all the money in the sense 24-70 f/2.8 L just 50тр meet

and I would still have the flash... very strange the author's desire not to have such, because often it can help in a number of situations: slow sync, backlight, shadows, etc.

Thank you all very much for the advice.
But quite strange to see the tips to buy a stupid optics. I have a 1000d, and you are asking him to frame 50t optics, and the meaning? Sensitivity one figure no quality miserable. Even as it sat and compared the 1000D and 450D, it would seem only slightly different, but the quality is 3 steps ahead 450D does.
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Need it is this competent bird + more or less normal optics, otherwise nothing happens.