Cheap 2-4 layer PCBs in US: http://www.pentalogix.com/us-prototype-pcbs-4-pack-p-602.html http://www.pentalogix.com/us-prototype-pcbs-4-pack-p-602.htm... There

Cheap 2-4 layer PCBs in US: http://www.pentalogix.com/us-prototype-pcbs-4-pack-p-602.html http://www.pentalogix.com/us-prototype-pcbs-4-pack-p-602.htm... There are Chinese ones as well that ship to you within a week.