Platinum is the premium level of access to the site.

All funds received from the site are re-invested to get more content added such as theory,labs,exams and lectures as well as pay for hosting and bandwidth charges.

Platinum members pay more so they get more. Here are a few of the benefits you get as a platinum member:

Unlimited Rack Time
101 labs including solutions and videos
500 CCNA exam questions
Platinum area including success study tips and exams
Video lecture series which is added to regularly
Platinum coaching e-mail address answered by me
Platinum only forum moderated my me and a CCIE
Resume checking service
Coaching call in days

You can join the site and learn more at the membership benefits page:
http://www.howtonetwork.net/public/10.cfm