When will the AR300 be shipping?

Also, can you give a detailed comparison of the AR300 and AR150? What is the SoC used for the AR300? How will its benchmarks (e.g. OpenSSL inbox:benchmark.openssl [Old OpenWrt Wiki]) compare to the AR150?

AR300 is ready for shipping.

404 Page not found - GL.iNet has the detailed specs. It is Atheros 9344 SoC. So it is quite fast compared to AR150. In openwrt benchmark table you have the result of this SoC. We tested and the results are compatible.