I don't have enough complication in my life right now, so I've decided to build my own computer from scratch (scrounging components as I come across them).
So.. I have a Pentium II 266MHz, motherboard, AGP graphics card, and all of the basic components (one HD, modem, sound card) and may add more in the future. What kind of power supply do I need? I don't want it to run out of juice if I start adding cards or HDs to it.