http://www.microsoft.com/windows/compatibility/Windows-7/en-us/Details.aspx?type=Hardware&p=HP%20ScanJet%204600%20See-thru%20Flatbed%20Scanner&v=HP&uid=Q3112AA2L&l=en-US&pf=0&pi=0&s=HP%204600%20scanner&os=64-bit

hmmmm

you will get used to windows 7, its a truck load better than vista, lol, as for mac,
only good if you work in an industry that uses mac.

Sorry mate.... page is incorrect. I know that microsoft say that this model is supported.. but it doesnt work and says that it has compatibilty issues... the add on programs work, but not the driver. Go to HP website and Win7 is not listed.
Try to use the scanner and its a no no