Recently, Samsung has released a newer version of samsung kies.
Below an overview on the system requirements:
System Requirements
OS: Windows XP(service pack2), Windows Vista, Windows 7
CPU : Intel® Pentium 1.8 GHz processor or higher (recommended)
Minimum RAM size : 1.00 GB (reconmmended)
Free hard drive space: At least 500 MB
Screen resolution: 1024 X 768 (600), 32 bit or above
Required software: .Net Framework 3.5 SP1
Windows Media Player 10 or later
ActiveSync(Windows XP), Device Center (Windows Vista)
DirectX 9.0C
I also found a very nice manual by Samsung which briefly explains how everything works: http://in.samsungmobile.com/support/softwaremanuals/kiesTutorial.do