4 computers (1 server, 2 desktops, laptop)

A D2C-computer installed with Ubuntu 8.04 desktop, 2.8 GHz, 3 TB HDDs, 3 GB RAM acting as a fileserver, one computer installed with 8.04 desktop, P3 1.23 GHz, 40 GB HDD, 512 MB RAM as a "guest computer" for checking Internet, One computer installed with 8.10 desktop, 2 GHz, 1 TB HDD, 2 GB RAM and Elisa as an HTPC, and one laptop (Inspiron 9400/E1705), DualCore 1.66 GHz, 120 GB HDD, 1 GB RAM for doing exactly what you need a laptop for: Almost anything while on the move.