Thank you to all who replied and sorry for the slow follow up - got a bit buried in exam prep. The good news is, I now have my Powerplant! As for where I want to go with it, I am most interested in Part 121 operations. I have an internship lined up at Delta for starters, but at the moment their job prospects aren't great for my location. So, decisions, decisions ...
Now to find that old, grizzled mechanic to learn from