i was able to sign up and get the Solaris T-shirt!!! Make sure you click on that option - to the left when filling out info.
"Please fill out the form below to join SDN, and check the box if you would like to receive the available offer. (We're sorry, but no more GlassFish T-shirts or Innovation Happens Elsewhere books are available. Allow 6-8 weeks for delivery. Your mailing address is required for delivery of your T-shirt).
Open Solaris T-shirt "