PCI video card on my P5PE ASUS motherboard

Your motherboard is equipped with an AGP slot, you would want to use this to add a video card, but first you must go into the BIOS and disable the on board video graphics chip so you can utilize an external video card. This will make your pc faster because of the independent processes and memory the card will have on its own, not needing the pc's memory to run, thus taking away from system resources. Take a look at these:

http://www.buy.com/prod/visiontek-radeon-hd-3650-agp-512mb-ddr2-128-bit-directx-10-1-video-card/q/loc/101/211110588.html

http://www.ewiz.com/detail.php?p=EV-A62_512&c=pw

http://3btech.net/sa8xagpatira.html

Listed find the low, medium and high ranges of video cards. I hope this helps.