Pokerthief
Your choice should be made based on your needs, where are you going to be using your ball?
As you are hearing the UpRising is unique with ultimate power. But, if you are on a regular house shot, be prepared to play 3rd, 4th, 5th arrow, especially when it burns up. For a lot of us that is fine, and fun. It depends on your game.
With the Tantrum you will be able to be more versatile near the gutter, up the track, or swinging it a little.
On a sport shot, that is another question altogether. Then you can start thinking of different drill patterns and ball surfaces.