If the dog was in need, I wouldn't say no, but there is a list of breeds I wouldn't actively seek out.
At the very top of the list is the Bichon Frise. No offense meant to those who own them but I personally think they are the ugliest of all breeds. I really don't like their personalities either.
Next is any and all retrievers, especially labs. I don't like most breeds that are ready to love any old person, plus I HATE how popular they have become.
It isn't practical for me to own a high maintenance dog since I'm so lazy with grooming but I really like the temperament and looks of Standard Poodles, Bouviers, and Old English Sheepdogs, so at least for now I wouldn't look for one.