About four years (bwahahahahahah)...

...like everyone already said, stay away from '07 unless you are a "hair-on-fire" accountant!

Between MS Office '07, Windows 7/Vista (yada yada), seems like Microsoft is unconsciously forcing users to take a really hard look at Apple's offerings...I mean any PC box over three years old isn't going to run their newer stuff very well. So if you have to shop for a bigger mousetrap, might as well consider defecting to Apple...I know I am!!

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2009 ML350 (106K) - Family vehicle
2001 CLK430 Cabriolet (80K) - Wife's car
2005 BMW 645CI (138K) - My daily driver
2016 Mustang (32K) - Daughter's car