It was fun to read this entire thread, and see how things have changed over the years.
Here is mine:
Favorite steel: Medusa at SFDK...I have never enjoyed a first drop into a loop more in my life. There are more extreme, I know. For example, I love X2 SFMM, YOLOcoaster SFMM, Superman UF SFDK, and Tatsu SFMM for example. But I just have a permanent smile on my face with every ride on Medusa.
Favorite Woodie: Gold Striker at CGA....nothing comes close, but an honorable mention to Apocalypse SFMM.
Worst Steel: Vortex at CGA, with a dishonorable mention to Viper SFMM. Many have mentioned Kong SFDK. For me, this is a ride that depends on where you sit. I really enjoyed Kong while riding first car. Anywhere else, it sucked.
Worst Woodie: Ghostrider at KBF, with a dishonorable mention to Psyclone SFMM, even though it is gone. Both of these were so good in past days, and they both went to crap.
Great coaster turned into a bad coaster: Revolution at SFMM. What a great ride ruined by the OTSR.
Best non extreme, just fun coaster: Undertow SCBB...this ride is just plain fun. I just wish they really let these cars spin more.
Biggest waste of space: Pony Express....If only we had a ride with a seat like this that was bigger, and more fun. Imagine, cars like a motorcycle, going through an extreme moto-cross track.
Most underrated coaster: California Screaming DCA. Long, airtime, launch....and does not shoot it's wad right away. I really like how the loop is later in the ride, instead of right away. Just fun, fun, fun.