Well, I did it. I threw down for a soy milk making machine (it does other things as well, but it's main function is to produce soy milk).
Since it looks like we'll be going through about a gallon and a half of soymilk a week, I thought that making our own would be somewhat fun as well as cost saving. I can easily get organic soybeans for less than $1.50 a pound and you only need a cup of soybeans to make a quart. And it takes a mere 15 minutes.
I did find a local producer of organic soy milk at my favorite co-op store today, but at almost $8 a gallon, I'm thinking this thing will start paying for itself soon.
I'll let you know how it works out!