Advertisements Although I keep most of my media on the homeserver acting like a NAS, I still find it very helpful to have an image backup of each PC. If a PC dies, I can easily roll back to an earlier version. It's really easy. Realistically there are always some files on my PC that aren't on the WHS-- a spreadsheet I had been working on etc. I am sure there is some way to do it on a NAS, but it's so easy on WHS. I don't think a restore is impractical. It's really easy. Your NAS choices aren't cheap. I bought a 4 bay HP WHS for $300 on sale with a 500GB drive. If you wait for a good sale you can probably spend $300 - $400 on a similar unit. WHS has been rock solid for me and all the features you highlighted are supported. I am not a Linux expert. If you are a Linux guy a NAS might be a better solution. But it really is worth giving the WHS a shot. One of the best tech products I've bought in a while. This is a set-it-and-forget it product as well.