[QUOTE=Eden;173353]Pretty funny how different each person's experience can be....

QUOTE]

Yes, but I'm always right
I've never used a wireless Cateye, so I am comparing a wireless Sigma to a wired Cateye.
I've also never had to change the batteries in the Trek - 15 years and no new batteries.
I've never changed a battery in the Cateye, either, but it's only 3 years old.