First off I want to say hello and thank you to anyone who has information on the topic. Here's what I need help with. I have a HP Pavilion a1223w. It has not been modified in any way, so it's just factory stuff. The problem is, my motherboard uses PCI slots, and I need PCI-E so i'll be able to upgrade the graphics card. I wanting to upgrade this machine to be able to game on it. Maybe not some of these high end games but I want to get it to these specifications: This is what the game requires. The game is Warhammer Online Age of Reckoning PC SYSTEM REQUIREMENTS For Windows XP · 2.5 GHz P4 (single core) processor or equivalent · 1 Gigabyte RAM · A 128 MB Video Card, with support for Pixel Shader 2.0 · At least 15 GB of hard drive space For Windows VISTA · 2.5 GHz P4 processor or equivalent · 2 Gigabyte RAM · A 128 MB Video Card, with support for Pixel Shader 2.0 · At least 15 GB of hard drive space Supported Video Cards ATI Radeon(TM) series · 9500, 9600, 9800 · X300, X600, X700, X800, X850 · X1300, X1600, X1800, X1900, X1950 · 2400, 2600, 2900, · 3650, 3850, 3870 · 4850, 4870 NVIDIA GeForce series · FX 5900, FX 5950 · 6600, 6800, · 7600, 7800, 7900, 7950 · 8400, 8500, 8600, 8800 · 9400, 9500, 9600, 9800 · GTX 260, GTX 280 Ok, so I need to upgrade the motherboard firstly so I will be able to use these graphic card since i will need PCI-E slots. I'm guessing i will also need to upgrade my power supply. The bottom line, i need help choosing what kind of motherboard and power supply i need to get and what will fit my computer. Once I get those I know what to get for RAM and graphic card. Sorry for the long post, I wanted to make sure i was clear with what I need help with. And thank you again to any one who can help.