Some of the prices being asked for old computers are out of this world.
Just an idea.. how about an old server you could boss about with your modern computer?.. Windows 2000 was a very good op system ..(a sort of agricultural no nonsense version of XP) and should work with it? ..but I suppose you would have to consider any delays you might get mixing old with new and if there are interfacing issues perhaps a light Linux flavour op system.
http://www.ebay.co.uk/itm/RETRO-PC-S...oAAOSwH6tZjZUd
Still expensive for how old it is -but there you go