It will necessarily be impossible to do that. Do you think anything that you buy today will be remotely at the top of the chain 2 years down the line?When Windows XP was released, the recommended requirements mentioned for it was: On that kind of config if you really install and run XP, you are either very brave or very foolish. Today you know that to let XP run in any sort of decent manner, you need 4x the recommendation.Similarly it will be with longhorn too. Don't fool yourself into believing that anything at all you buy today will run longhorn decently when it releases. Just build your PC on a budget, and be happy. When longhorn comes, upgrade. <{POST_SNAPBACK}> Those were the minimum requirements BTW not the recommended and they were for Sp2