Greetings from sunny North Texas. I have a Speed Triple too and the Rocket is a lot more comfort, but not as light or nimble. Don't get me wrong, I love my Rocket, but even with the Penner tune it's just not the same kind of power delivery as my Speedy. The dyno shows my S3 with 150 RWHP and it weighs 200 pounds less than my Rocket.
This thing is really fast:
This thing goes a LOT faster, a LOT sooner: