If you are looking to make your PCB project a reality, I highly recommend the service at Smart-Prototyping. I've been using their service for all my boards in the past few years, and the quality is excellent.

Promo Code: PCBOFFER
Value: 3% discount off the order, shipping not included

On top of that, you can use this exclusive promo code to get a further discount!

A set of 5x5cm 2-layer boards costs just $9.90, while going up to 10x10cm is only $11.90.

The coupon will work from now to January 15th, 2016.