Originally Posted by
Majuki
Some recommend filling out the blue form just in case. I prefer to take my chances personally, and I would say in the times I've come into LAX - all TBIT though - that GE has been a huge win over the standard lanes, especially with the exit line for customs. Also, you reduce the chances of encountering a surly CBP officer at passport control. The GE kiosk doesn't have a bad day.
In #3028, some of the machines were having a bad day.
It is does not take too long to fill out one of the blue forms--I once got an "X" on my GE form and having one filled out in advance saved me some time.