THE VERY BEST TIP : USE A DUAL SYSTEM COMPUTER
Did you know ... that an APPLE COMPUTER can run Windows XP or Vista? 

If you are buying a new computer, why not investigate upgrading to an Apple Mac ... check it out  here and here.  You can run both operating systems on the Mac — the very best of both worlds. The Mac was designed for high security, so it's not plagued by constant attacks from viruses and malware like Windows PC's are. Mac OS X and Windows side by side. One GREAT computer - two operating systems - it makes sense! Contact Mike Scragg for more info.