As an older Iron Barrel Bullet owner, I will chime in on behalf of the new UCE.
The thing with Bullets is that they are different than other bikes which might be seen as "competition" in the way the power is delivered. The Bullet delivers its power at lower rpm with high torque, so that you get the power right off of idle, and it climbs from there. You don't have a weak lower rpm area which you need to get past before the real power starts to come on, like the higher revving bikes do.
So, the "feel" is very different. This is one of the most attractive aspects of the Bullet.
I would say you have to ride one before you can decide.
Once you do, then you'll understand what it's all about. It feels much more powerful than the numbers would indicate it is. It's not a high-revver, but it is a low rpm puller, and that is a very enjoyable attribute.