I paid a tad over £500 for mine (Nikon D50) but the quality?(Great)& comes with an editing programme.
The cheaper cameras have fewer pixels & you can't change the lenses( picture quality still OK)
But I hope Jessops site is of use.

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Critics are like eunuchs in a harem; they know how it's done, they've seen it done every day, but they're unable to do it themselves.
Brendan Behan