How much space is recommended for a Windows 7 Bootcamp installation besides Snow Leopard? How much space is recommended for a Windows 7 Bootcamp installation besides Snow Leopard? I thought of 30 Gigabyte. Would that be sufficient?
My Parallels virtual HDD has 12GB. But I using windows only in sometimes.

The space is depend on what you want install into windows. And really need BootCamp? Parallels or VMware or VirtualBox(free) is fine - why you need BootCamp?