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We did not tell him to re-format, we said we would have done that in the same situation, and if you have a problem with me re-formatting every 3 weeks, then go ahead and laugh, just because I want the best experience possible every second I'm using my computer, rather than waiting 15 seconds for IE to load, cause honestly I don't care, if you don't think you need it, then maybe you don't, or maybe you can't tell the difference.
Also, Kermit, 3DMark your system as it is with 4 Graphics card changes on one install of XP, run 3DMark 10 times, average the scores, then re-format and re-install XP, do it again, I guarantee you that there will be an improvement.