Anyone use Ovulite?

I was searching DrugStore.com for OPKs and came across this. Anyone use this or know someone who has? The reviews on the site were almost all good (except 1 or 2 who were disappointed).

Ovulation detection by the day Ovulite™ is a simple-to-use, home fertility tester which can predict to a 98% degree of accuracy a woman's likelihood of becoming pregnant on a specific day within her monthly cycle.

How does Ovulite work?
Ovulite™ uses a woman's saliva to pinpoint her periods of fertility and infertility by employing a technique similar to staining done in laboratories. It operates on the principle that saliva forms a 'ferning' patter when dried resulting from the biochemical and hormonal changes (estrogen) taking place in the body during her fertile days. These delicate 'fern-like' shapes, which look like frost on a windowpane, are readily identifiable when observed through the Ovulite™ personal fertility microscope. Women who wish to conceive can track the patterns of the crystals in order to choose the optimal days for intercourse.

My friend used it to get pregnant. This is HOW she got pregnant. They were trying for about 9 months and they were very discouraged until her other friend told her about it. She used it for about 2 months and finally something popped up and it worked!

I now have one and im hoping it works for me as well!

Thanks.

I ordered one (figured $20 was small enough amount to at least try it). Hopefully it will work for both of us!!