Genesis of the Daleks is one of my all time favourite stories and the audio, although cutdown and missing some of the larger story, is still brilliant. A lot of audios that are lifted from televised stories get lost in translation because you need the imagery, or at least description of imagery to go with it. Sometimes they are brilliant but sometimes they fall flat. This one however really works well.
I'm relatively new to the audio world so my opinion may not be of the highest standard, but this one is a corker for sure. I can't comment on it too much in terms of quality because I have only heard it on a tape that my dad recorded years ago (possibly from the original vinyl). He's the one who made me a Whonie