Here is a picture of my Dual Celeron Case. The middle one is the Dual Celeron machine. The one on the right is a Celeron 300A overclocked to 450MHz. The machine on the left is a Dual PII-350.  Then, if you care, the blue hub is a Netgear 10/100 8-port switch, and there's a 10mbit hub on the left.