like me....  today's woot is pretty handy:  http://www.woot.com/

fyi, i started reading some comments on it after posting...looks like it may be more appropriate as a gag gift; readings can vary it sounds like.

but, so this thread isn't totally useless...  here's a real breathalyzer:  http://www.breathalyzer.net/alcohawk-slim.html   

I'm not going to start ranting about drink driving but this is the type of adverts shown in the UK to discourage it.

Think! Drink Driving Advert

it's all shades of grey

Choose the LQ mode.

I have removed the quality options, it should play now.

I LOVE to booze it up and ride....I just NEVER do them at the same time....It is frequently difficult to decide which to do.

Gary