With all exhibition space sold out, and a waiting list for late allocations, the North American Tunneling 2010 show in Portland, Oregon from 20th to 23rd June is a guaranteed commercial success. Pressure is now on for registration of attendees, with a discount still available prior to 21st May. Registration fees include proceedings, sessions, receptions, exhibition entrance, and luncheons in the exhibition hall. Alternative one-day registration is available to SME members and authors of papers. Workshops and short courses are also available during the conference period, along with daily social functions.Conference registration is possible online, by fax or mail. Click here for more information, and download a registration form at www.smenet.org/NAT/Attendee/NATRegistration.pdf. 14/10.