Your PC will Run Visat Home quite well. The main problem people have with Vista is the RAM it requires to run it. 1Gb and below you may as well stick with XP, 1.5 to 2Gb it will run but it may be slow in areas. 2Gb and above crack on 
Chris (formerly R@nSiD)
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When the power of love overcomes the love of power the world will truely know peace - Jimmy Hendrix
Winner SM VFX Challenge 1
3rd Place SM SteamPunk Challenge (May 2007)