Turbines really are not that big a deal.
I do admire the Metro guys for pushing them around day / night with no real creature comforts.
The B350 is no harder than than a B200. With a great tailwind you get there earlier, start descent earlier ect but eventually end up at the the same vref. Yes its just time management. I thought Flt Safety recommend not above F290 for normal ops. Anyway RVSM controls that now.
Yes you could learn in turbine, why not, if you have the dollars go for it. It just takes time and a instructor who can handle the change in tradition.
Hasn't been a bad post so far.