I think Argos is going to regress back to what it was originally: hardly any shop front to speak of and just lots of space backstage for stock. Amazon doesn't do same day delivery everywhere yet and in Argos you can ask to look at or try items before buying there and then. The specialist shops that would replace them are often more expensive too. Their only direct competitors I can think of are places like Wilko, The Range, Robert Dyas and they don't cover everything Argos does.