Northwest Greyhound Rescues:
http://www.psgreyhounds.org/
http://www.greyhoundpetsinc.org/
Personally, greyhound rescues are very important to me, as my dog is half greyhound, and we got him from the shelter. My intent is to get a rescued greyhound when I have a place where pets are allowed. Being in a small place really isn't an issue--greyhounds make perfect apartment dogs, oddly.