I loved my Dreamcast. It was so ahead of it's time. I swear that controller was the most comfortable ever designed, despite it's large bulky appearance. I still don't know why a VMU-like device hasn't been used on any future controllers. It had tons of potential.
I owned all 4 consoles last generation. I think my PS2 got the most playtime because of RPGs. The Gamecube only got dusted off for Mario Party and Smash Bros. Anything that was cross-platform I usually bought for the X-Box.