Hello all! I have an older Airport Extreme, it's probably from about 8 years ago or so. Question is, am I missing something by not upgrading to a newer model? I looked at the Airport Utility, and it shows that it's a version 7.6.4, does that help to determine how out of date I am? Do I need an Extreme, or would an Express serve my purposes? I guess I'm unsure, of the actual difference between them. Any advice would be appreciated, thank you.