However the Airtight is still in the early stages of release, so expect bugs. Like no support for music yet, and all movies under DRM protection can be displayed also not compatible with mirroring. But I am sure, it will likely be a lot better in the next upgrade.
But for you to know, users testimonies who have bought this app $0.99 mostly are satisfied. Are you interested to brings Airplay functionality to your Google Tv? Then buy Airtight in Android market then.