I haven't played much Doom since the original version came out. I had Unreal Tournament for a while but my FPS online gaming days were over once I moved to an area that didn't offer high speed connections.
See my post #76 above. In my junior year of college, my roommates and I (they were all computer science majors) would play Unreal until the early morning hours (2,3,4 am) over the LAN connection that we had in our university-run apartment. The game would barely run on my Pentium II POS (which I still have), so I would play on my roommate's laptop in the living room, sitting on the futon. I think at one point, there were 10+ CPU's in that room, with network cable all over the apartment. It was pretty cool.