Microsoft Windows XP Professional 64Bit SP2C

Pros: Able to go over 4 GB ram.
Faster rendering for 3D and music studio software.

Cons: Driver support for x64 is rare.
Some games are not 64-bit compatible.

The Bottom Line: Good for studios and an alternative of Vista 64.

Review: Much of my studio software walks the edge on the 3 GB ram limit and that same software is not compatible with Vista, yet it works just fine XP Pro x64. Perfect for compiling high quality music when you need to go over the 4 GB limit which 32-bit...

Pros: Fast,smooth.

Cons: Some software won't use very often

Review: This is the first system that i've ever had,it runs good and smooth.
Compare with Home editions, Pro has more function in it,but for sure it needs good hardware.
My desktop is using Amd 3200+ and 2gb ram.It runs good and i am using on...

Pros: Fast
Stable
uses all of the 4 gb ram capacity

Cons: not enough software
64 bit IE doesnt work

The Bottom Line: Not for the average user.

Review: Ok xp 64 bit.
If you cant get around in vista and you have a strong computer with 4 gb of RAM a AMD 64 bit or Intels core 2 duo cpu you will definetly like xp 64. It is definetly more faster than 32 bit xp and smoother. Now the main problem like...