You only should use the 64-bit version of Vista if you
have software programs written for a 64-bit operating
system. I seriously doubt you have any high-end 64-bit programs
that could benefit from a 64-bit operating system.
Are you considering ordering it with XP Pro x64 or Vista x64?
64bits is the future. When it comes preinstalled you know you will not have
device driver issues so that is not a concern. I see no real reason not to
go 64.
All your 32-bit programs should will run on a 64-bit OS, no problem there.
If you haven't got a 64-bit OS though, you will not gain any benefit
whatsoever. And apart from having a 64-bit OS, your applications must be
written to take advantage of 64-bit floating-point claculations, which very
few are at the moment.
That said, why not go 64-bit? I still use a 32-bit board and CPU, but
eventually more and more programs will be written 64-bit and you will be
ready.
The greater headroom on 64bit cpus does benefit performance somewhat over a
32bit cpu even when a 32bit OS is installed, but otherwise the main benefit
is access to much greater ram.
I tried to install windows XP pro 64 but there is no real firewall that will
allow any installation on 64 bit systems since they haven't been prooven to
be correct in 64 bits. The new games AI were much faster but if you don't
find a 64 bit firewall, it's not worth it.
I don't know what you mean by "no real firewall" but if you check in
microsoft.public.windows.64bit.general several folks there are pretty well
informed on this subject.
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