The economics of password crackers changed and rainbow tables are pretty much obsolete nowadays. See http://www.codinghorror.com/blog/2012/04/speed-hashing.html

The economics of password crackers changed and rainbow tables are pretty much obsolete nowadays. See http://www.codinghorror.com/blog/2012/04/speed-hashing.html http://www.codinghorror.com/blog/2012/04/speed-hashing.html section "What about rainbow tables?".