Ugh, I hate that arched layout. If the buttons aren't in a matrix, I can't find the buttons when I need them quickly. Plus, when you need to press Fierce or Roundhouse repeatedly for a combo, are you really using your ring finger for this? No, you're constantly moving around. Arched buttons are less effective in this way in my opinion, but hey, whatever you're used to is what works.
Anyway, I love buttons that are straight across. 20 years of typing, NES playing, and SF2 playing (on Dynamo cabs with straight-row Happ Comp buttons) can't be wrong.

EDIT: That sounded harsh. I'm an ass, don't take it personal, it's me not you.
