The Butterfly labs Jalapeno is by far the cheapest at $150 + shipping, but be aware that they are not shipping them yet and are already several months behind their original shipping dates.
All current ASIC manufacturers are shady in some way or another, do a lot of research to see if you want to risk your money
So they are fraud?
there are asics mining right now. but all companies have problems, many havent delieverd yet; just take everything you read with a grain of salt.