I suppose it depends on your goals. If you are looking for serious gains, then Dr.
Rupeka makes more sense since 10+ syringes = more volume per round --> less visits overall. That would be my reasoning. Also, if you are opting for
PMMA, he's considered by Suneva (Medical Product Manufacturer) as the #1 injector of
Bellafill worldwide, which was a big draw for me on having him come on board to the
PhalloBoards.
If time & logistics are of major importance, than Dr. Song would probably make more sense.
Oh and in fairness, this is not a matter of me playing "favorites." Dr. Song has advertised with this forum before and may do so again in the future - I don't shy away from recommending Non-Sponsors if it fits an individual's criteria, and I've done it multiple times in the past. The only time you'll see me adamantly reject an option is if it happens to be on my personal "blacklist" (which are effectively anyone performing procedures developed by 3 particular names, which I won't name here since it will steer the topic off-course, you can always PM me if you are curious).
I'm assuming you are picking between the two because of your interest in
PMMA? Or another filler?