My school has an
ETC Express 125. The theater i'm interning (soon to be working) at has an ETC Obsession. I've never used it (well, I've punched a few buttons during a focus, but never used really used it as of yet.
I must say that I like the Express, and since I know the express, I could understand the obsession, and I am confidant that I could figure out the obsession given half an hour or an hour.