Also check out the United Blood Trackers, lots of great information.
http://www.unitedbloodtrackers.org/
Many of us use Wire Haired Dachshunds. They seem to be one of the best. Here's mine. (Axel).
And he's incredible house dog. He sleeps in bed and usually lays on my lap on the couch when I'm on the computer or watching TV. He's my boy.