Tried finding extra RAM, but no result.
I'm considering the following options now:
- Windows 2000 Workstation (thanks for the tip you all!)
- Linux distro: VectorLinux 5.1
Will start with the Linux one, and see how it performs.
BTW, I've discovered a set of DVD's on P2P ('Pirate Bay':
http://thepiratebay.org/tor/3243961/All_Windows_DVD) that contains ALL Windows OS' starting with W98 up to W2003, ....free to download