For the most part, these are standard gaming desktops that happen to meet Oculus' recommended specs for a good VR experience. The big deal is that you'll typically get a discount if you've already pre-ordered a Rift (between $100 to $200 off) -- important when the cheapest system starts at $949 after you factor the Rift discount into the equation. This won't matter much if you already have a speedy system, of course, but it's a big deal for newcomers who want to get into VR without either a lot of knowledge or the time to track down an ideal PC on their own.