I guess this question even applies to the older Snow Leopard install disks with 10.6 as well as the Lion USB Thumb Drive which will have version 10.7 software on them. When Apple releases newer hardware, and I think this applies to the newer Macbook Airs that just came out, the OS is usually updated with certain drivers, etc. If I use the original install USB with basically 10.7.0 software on it, when the OS is installed will it work on hardware that came out after the initial OS was shipped? In the past when you buy a new Mac, it came with a restore disk updated with the correct drivers and then those changes would go into the next point release of the OS. Is the Lion USB Thumb drive basically only good for older hardware? I'm thinking that if you buy Mac App Store version, the latest point release will be installed when you install in recovery mode as new versions are introduced.