I talked to a very nice service rep about the coilwhine and he said there wasn't much point because all of them suffer from it in varying degrees and they would only do something about it if it was very audible and then only if RMA'ed within the first 2 months or so. His suggestion was to disable the GPU power states but that sort of defeats the whole point of an ultrabook. It's a sad issue because it really detracts from an otherwise excellent laptop. I have not heard about that specific wifi issue though, have you updated to the latest firmware? I know there's been quite a lot of versions with various fixes.