Apple TV market share

Sales numbers showing that Apple (AAPL) owned 56% of the streaming devices market in 2012, with Roku coming in second at 21% of the market.
— Frost & Sullivan
Source: seekingalpha.com

Source: seekingalpha.com

Not too bad for a mere hobby huh! Airplay is really useful when there is a mac in house particularly. Waiting for the multiple monitor support in Airplay in OS X Mavericks to make more use of it.