Don't assume that adding Windows 2000 to your Mega-game machine is going to fix everything. However, if you're looking to do more serious work in addition to gaming, Windows 2000 might just be the ticket you need without setting up a dual-boot. Casual home users who don't get much more out of their PCs than a well-processed letter and a balanced chequebook are not likely to get much out of Windows 2000. It demands far more resources than most casual home users may have to spare, and may in fact make a system perform worse, not better, at that level. Whether you believe that exact figure or not, its certainly true that many Windows 2000 users notice a performance improvement when they switch to the new operating system.
Memory is the key.
Windows 2000 will make good use of additional memory. The catch is that few desktop programs can make use of the twin processors so such a hardware upgrade is rarely worth the trouble. Spend the money on extra RAM instead. Windows 2000 Professional can inter-operate with earlier versions of Windows so you can continue to share resources, such as folders, printers, and peripherals. Adapts the Start menu to the way you work by showing the applications you use most often.