Cheap ones will get you in more trouble than good ones by giving you a force sense of security and themselves being useless. Been there done that. One ticket would cost more than going with a solid one to begin with.
Loved my Valentine1 and debating on getting another one as I can think of a few times when it could have gotten me out of trouble already.
Passport has a new model which is quite comparative as well, so it goes down to preference of small features but performance is very similar.
On a plus side, laser jamming is legal.