Vista 64 Bit

So, I was in a Sam’s Club the other day with the wife, and found myself wandering over to the PC aisle, mostly to lust after the 24 or 25 inch monitors. (I need a bigger desk before I get bigger monitors, how sad is that?)

Anyway, this was the first time I had noticed that all of the PCs that were for sale there, were 64-bit versions of Windows Vista. When did 64-bit become the standard OS for home users? Aside from the increased RAM capacities (these had 6-7GB of RAM generally), what is the big benefit to using 64 bit for the kinds of folks who buy PC’s from a non-tech store? What kinds of weird incompatibilities are they risking by buying a 64 bit version of Vista?

I don’t own a 64-bit version of Windows myself, and I’m not really in the market for a new PC, so I really haven’t been paying attention at all. I figure I might want to ask some questions about the up and downsides before someone asks me about picking up a new PC with Vista Home Premium 64 bit and I steer them wrong!

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