With your time you should be aware of the fact that things can happen fast in the terminal environment near a big airport. I dont know what kind of T-prop you have been in, but you need to be aware that jets carry quite a bit of kinetic energy and dont slow as fast as t-props do. The biggest advice that I can give you is to never ever let the airplane take you somewhere that you havent already mentally been.

You need to always be ahead of a jet and the time to brief yourself on an arrival is NOT when you are on it.....but way before. That goes for any phase of flight.

Always ask yourself.....where am I.....vs. where should I be?

Of course you need to know the systems and TO/LNDing performance, but the biggest obstacle for newbies into jets is for them to learn control a jet at much higher speeds and be able to think even faster.