Mine are at true centre and I love them there. I've probably only skied 20% park with them so far too. I wouldn't change the mount if I could, unlike on my JJs. Turning in to possibly my favourite ski of all time.
Season Edit: http://www.newschoolers.com/membervideo/316569.0/Twigski_Season_Edit_2011?s=105085&t=2&o=8
there's a certain point where it neither looks good nor functions properly...that's when you know you look steezy - no_steeze