well I can see where the 'radical' bit came from. I assume we are talking real aircraft here and not add ons for MS Flight Sim?
Radicalrabit, the advice that you have been given on here is very sound and comes from a bunch of us who are actually flying the high performance aircraft that you aspire to.
It is a long and arduous road and not something you know out in a couple of years.
However if you want to come and take a look at the workload in flying a high performance aircraft I will happily take you for a trip. 22,000ft at 220 KTAS with an IAP at the end should give you an idea of where you need to be heading. This is basically B200 speeds so should give you a sound idea.