Had a couple of deerhounds and one borzoi in the kennels where I worked at a teen.
Both looked really great, but the deerhounds were thick and the borzoi, like any sighthound was even thicker.
Depends on why you want them, they look real nice, but if you want to work them you would be better off with a good lurcher, 1/2deerhound, 1/4 greyhound, 1/4 collie or if you want more nimble, less deerhound more greyhound / whippet.
I had a cracking little bitch that only stood 23" but was line bread and had small bits of both deerhound & bedlington. Brainy (the collie in her) broken coated and very quick, great little dog that took both fur and when in the right situation feather !
Will get another when I'm retired...
Cheers
G