Pre-register. Some companies review the resumes before the event and may personally invite you to meet with them
Dress Professionally. First impressions go a long way
Bring 15-25 resumes
Plan to spend 45 minutes to 1 hour at the event
Bring a friend. All job seekers are welcome
Prepare a brief but effective "brag" to let the people you meet get to know you
Keep an open mind. Meet with as many companies as you can; you may be pleasantly surprised at what you find
Jobseekers, 
Employers, 