I'm happy to say that I finally got the revised Spellburst Savant written up and uploaded for you all. The biggest changes are to fundamentals, making their power more tied to which spells you use (but still keeping lower power versions as at-will abilities), and the ACFs that were tied to them.
And yes, this does mean there are nerfs to the class. It's been brought to a slightly lower power level and is a bit more reliant on its spells to work at full potential, but I hope that y'all still enjoy the class. I know that I am; the way it's been playing in my test scenarios is pretty fun, like if you crashed Invoker into Ryze.
Here's a link to the new pdf; same location as the old Spellburst Savant link: https://drive.google.com/open?id=0B5HkyGRtGZy3eWJhUjJ2Q2pHcnM