Conclusion: If you don't have a laptop or other mobile device with an 802.11n adapter, Asus USB-N66 is not a bad choice, plus you can use it as an on-the-fly access point. Be warned of a few issues, though.
Pros: Can use as AP. Supports dual-band 802.11n. 3x3 antenna configuration for better performance
Cons: Did not report correct wireless band. Slower performance than integrated adapter.