If you're interested in growing your own, you can get some really nice bushes at Finch Pottery and Nursery
. They specialize in blueberries, and sell to many retail nurseries. As a bonus, the bushes they sell you will produce the same year. We bought some last year, and there were great. We're waiting for this year's crop to ripen - it won't be long now.
It's currently run by Dan Finch, but was started by his father, Jack. Jack was known for his passion for bluebirds, and they also sell bluebird houses. We bought ours from them.