It's a great racquet, I played with them when they were launched, in 16x18 too, and I still have an 18x20 version
That thing is a rock solid, stiff and very powerful racquet, the 16x18 is a bit easier to hit with, has a bit more pop and easier to get some spin from it.
Unless you're a super-player you don't need to weight it up, that thing has more than enough mass to deal with anything they throw at you
Like all 6.1's it's a bit sluggish, so you need a strong arm to move it around fast. Don't try to muscle the ball, use the weight and mass to your favor. It's a dream of a racquet for net game, I love it for doubles
I'd advice you to strung it with a soft set up, not very high tension, specially if you have sensitive joints, and see how it goes
Depending on your style and level, it can be a dream or a nightmare of a racquet
Enjoy it