Now is not the time to advertise, now is the time to develop. In 6 months to a year most of the projects being worked on now will be ready and polished enough for regular users and the protocol should have all of the most important scalability improvements implemented. That will be the time to begin thinking about advertising, we don't want to bring people to Bitcoin only to find that its too complex for them to use and/or the influx of new users causes protocol problems because scalability fixes are not implemented yet. First impressions are important, Bitcoin could gain a stigma that we do not want if we where to try and push it out there before its ready. Go ahead and get the ball rolling on plans and funds for advertising, but wait awhile before you actually start.