If they ever change the business to posting graphic mockups all over the net your business advice may be more relevant.Removing important features and crippling the program won't win any customers...
For those who for some reason didn't demo v4 and bought it in the blind and found it not working on Win 7, move the instruments.dll out of the application folder. This will kill the main instruments but you'll be able to launch and work as normal with everything else like your third party instruments. Your choice, do nothing, use nothing, let your GAS money sit in a vacuum, or do that and wait for a fix.