We have them... once I knew they were unlikely to bite I just decided to live with them. Sometimes I hose them away or brush away webs. We are not innundated with them.
There is a nice article about them at
http://www.cottagetips.com/tips/fact...-dock-spiders/
Don't get alarmed a the article with a scary title, but read it for a picture of the babies.
IG