just color differences as far as i know
heres a pic of the neo II
both have turbo buttons and the start and select at the bottom middle
they both are much heavier controllers than the normal aes ones and i think the button placement is much better as well
<img src="http://www.students.uiuc.edu/~mahlebas/NeoGeoPics/neoii.jpg" alt=" - " />
<small>[ February 27, 2003, 10:48 PM: Message edited by: scooby105 ]</small>