Just added some updated documentation for the RFX dev board and shield kits. Step-by-step assembly instructions, now with lots of photos! These kits are designed to be easy-build for beginners, with all through-hole parts (no SMD), and only basic soldering skills and equipment required.
RFX 328p dev/dep board w/ nRF24L01+ headers (kit):
RFX Arduino-compat. nRF24L01+ Shield w/ Prototyping area (Kit):
Links to these PDF files are also at the bottom of their respective product descriptions in the store.