Vetta problems

I'm usually reluctant to bash a company, but I will- Vetta sucks. I bought their V100 wireless cadence and speed computer for about $100, I think, and it worked for about 500 miles on the bike. First the cadence became erratic, then the speed, then the cadence stopped, then the speed stopped. It does keep great time, though . I tried the all of the troubleshooting ideas in the manual, replaced alll of the batteries, checked the alignment, etc.. Useless. The manual has no phone #'s, and I'm pretty sure neither does their website- just an email address. I've emailed their support a few times and have not heard back- the first email was 3 weeks ago. I'm sure I can track down phone # thru the 'net, but I'm just going to ditch the stupid thing (or post in the the Classifieds at ST .