Assuming no more flaws appear in the registration software the schedule for registration is as follows:
Registration opens for staff 12/31/2010 7:00:00 AM Pacific Time.
Registration opens for previous year participants 1/2/2011 6:00:00 PM Pacific Time.
Registration opens for everyone 1/4/2011 6:00:00 PM Pacific Time.
Go to http://entry.boomershoot.org/ to sign up.
Update: Boomershoot weekend is April 29th through May 1st. This is a known conflict with the NRA convention. Sorry about that. I had conflicts on my end for other dates.