Windows 7 will be released only 3 days from now. If there are a bunch of machines
1) Quad Core, 4GB machines
2) Core2Duo, 2GB machines
3) HyperThread 3.2GHz, 1GB machines
are there pros and cons to installing 32-bit vs 64-bit Windows 7 on them?
For example, the 4GB machines might benefit from being able to use all 4GB instead of about 3.2GB if it is 32-bit.
But 64-bit version is said to have wrappers for many apps, so will they run slower as a result?
Besides, I think if a machine has XP, then you can consider keeping it as XP (especially since 512MB machines cannot install Win7). But if a machine has Vista, it is definitely good to upgrade? (unless you want to save the money if the machine is not going to be used too often or only as a second machine).