Ok 
Here is killerjas with another upgrade to a system
I got a free emachians computer from a friend.
It has a 2.0ghz signal core. 
512mb ddr 400 ram
I put a HIS radeon HD 5670 in but it would not boot so i had to put my MSI GSX 8800 NT in it 512gddr3 ram.
Put windows xp media center edition on computer.
3 hard drives A 100GB sata laptop drive. an 80 GB EIDE hdd and a 40GB EIDE diskdrive.
It has an OLD TV tuner in it..
If anyone has parts that I could use that you are willing to part with please PM me
 
First before starting

 
Next replaced Powersupply Coolermaster 550

 
Then put a graphics card in.

 
Here is the front
 

 
Here it is after I added a cold cathod.

 
Thanks for looking