I would say the OT as is, holds it own. Even if I new nothing was ever gonna change I would not part with the brain of my operation. Laptop? No thanks. Except maybe an ipad. Ha.
The only other device I could entertain would be the Cirklon, but I'd be short changing Elektron's final vision. Every step of the way the OT gets that much better.. It's a nice learning curve.
OS updates take me back to being a kid on Christmas.