I see that anthro is winning the poll by a good margin, but I still side with feral. Seeing a four-legged pony straddling a motorcycle is much more unique and interesting in my eyes than anthro. And I know someone else mentioned print sales, so for what it's worth, I would genuinely be interested in a print featuring a pony version, but most likely not anthro.
Would that I could throw enough money at you to be able to please both sides of the argument, but alas, all I have is my two cents.
Well in this case I planning on a large, color fully finished piece that I will be hoping to sell. Either one works for me. What I want to know is if a potential buyer amongst my followers might have a preference?
I vote Anthro only because it doesn't look like you have altered the controls (as you have done with other pieces) to make it more plausible that Celestia (as a pony) is actually using that wonderful machine.
That's something that would resolved depending on which form I go with. If I go full 4 legged it would be closer to Although I will not I only did minimal changes to the handle bars in that piece. Most of the changes were in the pedal controls.