The Being Human Series 1 and 2 Soundtrack CD is available from Sliva Screen Records, Amazon, Play.com etc and individual tracks or the complete album can be downloaded from iTunes for a reasonable price!
The album contains the main themes from the first two series as well as some more horrific and sound-designery numbers. Track listing and exerpts can be heard on Silva Screen's website.
The album has recieved great reviews. There are some examples on the Reviews page.