You're not the only one. A lot of people collect. I have around 600 games in my collection. For me, collecting video games isn't like collecting paintings. I only collect games that I've enjoyed and resell the ones I don't because I will eventually replay the games. That's why I collect. I don't collect just for the games to sit there and look pretty.
With the new Xbox One, and possibly PS4 being tied to DRM. What about in 20 years when your console breaks down and Xbox One servers are gone? Those games are going to be worthless. So there's no reason to collect either console if they are tied to DRM. However, I'll still purchase atleast one, the PS4 just to play the exclusives, but isn't g oing to be until the console and games are cheap. I can buy PC games months after release for less than $20 if I want to be tied down with DRM.