I liked the PSX controllers. The system was very powerfull at the time it was released, and unlike the ps2 its hardware abilities were never blown out of proportion to reality. I think the dreamcast visually looks as good as the ps2, though the ps2 can crunch more numbers in the same time given its hardware.
Consoles are like cars, either you like them or you dont. Some are better at one thing then another (shooters compared to rpg's etc).
Anyway there is more then enough room for multiple consoles in my opinion. Once the ps3 comes out I will probably get a modded ps2 and start collecting those games also. Each system has games that look/play better on their hardware then a competing system (some c64 games are better then the atari 800 ports, atari st compared to amiga ports etc).