Please take it slow. Learn the nuances of the game and what kind of team you want to be before you decide you need to drastically change your roster/game plan.
For instance, until you do so, I guarantee you will be on the losing end of most trades that sound good on the surface. Last, but not least, you should consider every 1st, 2nd and 3rd round draft choice to be potential starter material. Don't give them them away for cheap.
Reach you if you have any questions.