The British Museum has been a place of pilgrimage for Perry since he was a child -- though he admits to a sense of disappointment on his first visit, because themodel boats in the Egyptian collection were not as shiny and new as the cars he played with at home.
The main difference being that the more traditional model, featuring pro-rata allocation and collection of payment for order flow, is more geared towards one facet of the investing community, comprised in large part by retail investors who are using options limit orders and other very simple strategies.